Sen. Joseph Lieberman, I-Conn. makes a statement on Capitol Hill in Washington, Thursday, Nov. 6, 2008. (AP Photo/Lauren Victoria Burke)

Sen. Joseph Lieberman, I-Conn. makes a statement on Capitol Hill in Washington, Thursday, Nov. 6, 2008. (AP Photo/Lauren Victoria Burke)

Sen. Joseph Lieberman, I-Conn., talks to reporters on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, following a Democratic Caucus meeting. (AP Photo/Gerald Herbert)

Sen. Joseph Lieberman, I-Conn., center, flanked by Senate Majority Whip Richard Durbin of Ill., left, and Senate Majority Leader Harry Reid of Nev., meets with reporters on Capitol Hill in Washington, Tuesday,Nov. 18, 2008, after a Democratic Caucus meeting. (AP Photo/Gerald Herbert)

Sen. Joseph Lieberman, I-Conn. arrives for a Democratic Caucus meeting on Capitol Hill in Washington, Tuesday, Nov. 18, 2008. (AP Photo/Gerald Herbert)

Sen. Joseph Lieberman, I-Conn., is questioned by reporters as he walks to the Old Senate Chamber on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, where his colleagues will vote on party leadership and other matters. (AP Photo/Lauren Victoria Burke)

Sen. Joseph Lieberman, I-Conn., makes a statement on Capitol Hill in Washington, Thursday, Nov. 6, 2008, after meeting with Senate Majority Leader Harry Reid of Nev. Lieberman appears likely to hold onto his prized chairmanship of the Senate Homeland Security Committee despite lingering hard feelings over his vocal support for GOP nominee John McCain during this year's presidential campaign. (AP Photo/Lauren Victoria Burke)

Sen. Joseph Lieberman, I-Conn. makes a statement on Capitol Hill in Washington, Thursday, Nov. 6, 2008, after meeting with Senate Majority Leader Reid of Nev. (AP Photo/Lauren Victoria Burke)

Sen. Joseph Lieberman, I-Conn. walks through the Capitol basement in Washington, Thursday, Nov. 6, 2008, on his way to meet with Senate Majority Leader Reid of Nev. (AP Photo/Lauren Victoria Burke)

Sen. Joseph Lieberman, I-Conn., makes a statement on Capitol Hill in Washington, Thursday, Nov. 6, 2008, after meeting with Senate Majority Leader Harry Reid of Nev. (AP Photo/Lauren Victoria Burke)