The Bios are from Wiki. 15 Republicans and 9 Democrats and 1 Socialist.
- Maria E. Cantwell (born October 13, 1958) is the junior United States Senator from the state of Washington and is a member of the Democratic Party. Previously she served in Washington House of Representatives and one term as member of the United States House of Representatives from Washington's 1st congressional district. She is Washington's second female senator.
- Byron Leslie Dorgan (born May 14, 1942) is the junior United States Senator from North Dakota. He is a member of the North Dakota Democratic-NPL Party, the North Dakota affiliate of the Democratic Party. In the Senate, he is Chairman of the Democratic Policy Committee and Chairman of the Committee on Indian Affairs.
Russell Dana "Russ" Feingold (born March 2, 1953) is an American politician from the U.S. state of Wisconsin. He has served as a Democratic member of the U.S. Senate and the junior Senator from Wisconsin since 1993. A recipient of the John F. Kennedy Profile in Courage Award, Feingold is known for his liberal voting record and cosponsorship of the Bipartisan Campaign Reform Act ("McCain–Feingold Act"), a major piece of campaign finance reform legislation. He was also the only Senator to vote against the USA PATRIOT Act. He had been mentioned as a possible candidate in the 2008 Presidential election, but following the November midterm elections of 2006 he chose not to run.
- Timothy Peter Johnson (born December 28, 1946) is the senior United States Senator from South Dakota and a member of the Democratic Party. He was the subject of national attention in December 2006 when his ill health raised the possibility that, were he to die, the South Dakota governor might appoint a Republican to fill his seat, thus returning the Senate to Republican control after elections which had given the Democratic Party a slim majority. Johnson has since regained his health, and now continues his service in the Senate.
Mary Loretta Landrieu (born November 23, 1955) is the senior United States Senator from the state of Louisiana, and the only Louisiana woman to be elected to the U.S. Senate, following in the footsteps of Senators Rose Long (1935) and Elaine Edwards (1972), who were both appointed. She is the daughter of former New Orleans mayor Moon Landrieu and the sister of current Louisiana Lieutenant Governor Mitch Landrieu. By national standards, Landrieu is among the most conservative Democrats in the U.S. Senate, and is a member of the New Democrat Coalition. She is up for re-election in 2008 in what is expected to be a close race with state Treasurer John N. Kennedy.
Clarence William "Bill" Nelson (born September 29, 1942) is the senior U.S. Senator from Florida. Nelson is a member of the Democratic Party. Nelson became the second sitting member of the United States Congress to fly in space when he flew aboard the Space Shuttle Columbia as a Payload Specialist during NASA mission STS-61-C (January 12–18, 1986). Bill Nelson lives in the Baldwin Park neighborhood of Orlando (as does Republican Senator Mel Martinez) and Washington.
Deborah Ann "Debbie" Stabenow (born Deborah Ann Greer on April 29, 1950) is a Democratic United States Senator from Michigan. In the 2000 election, Stabenow defeated the Republican incumbent, Senator Spencer Abraham. She is the first female senator from Michigan. She and Washington's Maria Cantwell were the first women to defeat incumbent elected senators in a general election, Carol Moseley Braun of Illinois having done so in a primary in 1992. Stabenow was re-elected in 2006.
- Jon Tester (born August 21, 1956) is an organic farmer and junior U.S. Senator from the state of Montana, and a member of the Democratic Party. Prior to his election in 2006, he served as President of the Montana State Senate.
- Ronald Lee Wyden (born May 3, 1949) is an American politician. He is currently the U.S. state of Oregon's senior United States Senator. He is a member of the Democratic Party. After initially attending college on a basketball scholarship, Wyden earned a bachelor's degree and a law degree. He later taught gerontology at several Oregon universities. He won a seat in the United States House of Representatives in 1980, and then in the U.S. Senate in 1996.
- Bernard "Bernie" Sanders (born September 8, 1941) is the current junior United States Senator from Vermont. Sanders was elected on November 7, 2006, and is currently a member of the 110th United States Congress. Before becoming Senator, Sanders represented Vermont's at-large district in the United States House of Representatives for 16 years. Sanders is a self-described democratic socialist, but because he does not belong to a formal political party he appears as an independent on the ballot. Sanders caucuses with the Democratic Party and is counted as a Democrat for the purposes of committee assignments. He was the only independent member of the House during much of his service there and is one of two independent Senators in the 110th Congress, along with Joe Lieberman. Sanders is the first self-described socialist to be elected to the U.S. Senate. Sanders left the House in order to run in the 2006 election for the Senate seat being vacated by the retiring Jim Jeffords and won the election with 65% of the vote.
- Alan Wayne Allard (born December 2, 1943) is the senior United States Senator from Colorado and a member of the Republican Party.
- John Anthony Barrasso (born July 21, 1952) is a Republican senator from Wyoming. He was appointed by Governor Dave Freudenthal to succeed the late Craig L. Thomas. He took office on June 25, 2007.
- Samuel Dale Brownback (born September 12, 1956) is the senior United States Senator from the U.S. state of Kansas. During 2007, he was a Republican candidate in the 2008 Presidential election. He has subsequently announced that he will not seek re-election to the Senate in 2010.
- James Paul David "Jim" Bunning (born October 23, 1931) is an American politician and former pitcher in Major League Baseball. He was elected to the United States Senate from Kentucky in 1998 and has served there since 1999 as the Republican junior U.S. Senator. He previously served in the U.S. House of Representatives representing Kentucky's 4th Congressional District from 1987 to 1999. Bunning is a member of the Baseball Hall of Fame.
- William Thad Cochran (born December 7, 1937) is the senior United States Senator from Mississippi. He is a Republican.
- Michael Dean "Mike" Crapo (pronounced "Cray-poe") (born May 20, 1951) is the junior United States Senator from Idaho. He is a member of the Republican Party. He will become Idaho's Senior Senator in January 2009, as Larry Craig has decided to not seek reelection.
- James Warren DeMint (born September 2, 1951) has been a U.S. Senator from South Carolina since 2005. He had previously represented South Carolina's 4th congressional district from 1999 to 2005. He is a member of the Republican Party.
- Mary Elizabeth Hanford "Liddy" Dole (born July 29, 1936) is an American politician who served in both the Ronald Reagan and George H.W. Bush presidential administrations, and currently serves as a United States senator from North Carolina. She was elected to the Senate in 2002 and is the first female senator for North Carolina. She is running for re-election in the United States Senate election in North Carolina, 2008. She is a member of the Republican Party and former chair of the National Republican Senatorial Committee. She is married to former U.S. Senate Majority Leader and 1996 Republican presidential nominee Sen. Bob Dole.
- Michael Bradley "Mike" Enzi (born February 1, 1944) is a United States Senator from Wyoming. Before his election to the U.S. Senate in 1996, Enzi was a businessman who at one time owned family shoe stores. He later became a politician on the state level, having served in the state legislature for more than a decade. He was reelected to the U.S. Senate in 2002 and will be up for election again in 2008.
James Mountain "Jim" Inhofe (born November 17, 1934) is a American politician from Oklahoma. A member of the Republican Party, he currently serves as the senior Senator from Oklahoma. He is among the most vocal critics of global warming in Congress. Inhofe often cites the Bible as the source for his positions on various political issues.
- Charles Patrick "Pat" Roberts (born April 20, 1936) is the junior United States Senator from Kansas. A member of the Republican Party, he was formerly the Chairman of the Senate Intelligence Committee.
- Jefferson Beauregard "Jeff" Sessions III (born December 24, 1946) is the junior United States Senator from Alabama. He is a member of the Republican Party.
- Richard Craig Shelby (born May 6, 1934), sometimes known as Dick Shelby, is an American politician. He currently is the senior U.S. Senator from Alabama. Originally elected to the Senate as a Democrat, Shelby switched to the Republican Party in 1994 when it gained the majority in Congress.
David Bruce Vitter (born May 3, 1961) is the junior United States Senator from Louisiana and a member of the Republican Party. Formerly a member of the United States House of Representatives, first elected in 1999, representing the suburban Louisiana's 1st congressional district, Vitter was elected to the Senate in 2004. Vitter was born and raised in New Orleans. He attended Harvard University for his undergraduate studies and Tulane University for law school in addition to winning a Rhodes Scholarship to University College, Oxford. He served as a member of the Louisiana House of Representatives before entering the U.S. House. Vitter is a staunch supporter of conservative political views. His legislative agenda includes positions ranging from pro-life to pro-gun rights while legislating against gambling, same-sex marriage, funding for abortion providers, increases in the State Children's Health Insurance Program, the United Nations, and amnesty for America's undocumented workers. Vitter's stated positions include a balanced budget constitutional amendment, abolishing the federal and state estate tax, increasing local police forces, and an assortment of health care, tax and national defense reforms. In the aftermath of the disastrous Hurricane Katrina, Vitter worked with the Louisiana congressional delegation to bring disaster relief to the region for rebuilding and aiding the victims disagreeing primarily over the issue of public housing. In July 2007, Vitter was identified as a client of "D.C. Madam" Deborah Jeane Palfrey's prostitution service in Washington, D.C.
- Roger Frederick Wicker (born July 5, 1951) is an American politician from the state of Mississippi. A Republican, he is currently Mississippi's junior U.S. Senator. From 1995 to 2007, Wicker served in the United States House of Representatives, representing Mississippi's 1st congressional district.