Dec 17, 2010 — On this day in 2007, Joe Lieberman, the Democratic nominee for VP in 2000, endorses Republican Sen. John McCain for president.
Dec 10, 2010 — On this day in 1992, Bob Packwood, an Oregon Republican senator who had recently been elected to his 5th term, acknowledges that he did make unwanted sexual advances towards many women, but insists he would not resign.
Dec 3, 2010 — On this day in 1991, John Sununu, President Bush's chief of staff who had become a political liability for the White House, announces his resignation.
Nov 12, 2010 — On this day in 1975, Associate Justice William O. Douglas, who served on the Supreme Court longer than anyone in history, retires.
Oct 29, 2010 — On this day in 1968, Minnesota Sen. Eugene McCarthy — with just a week to go before the election — finally endorses his one-time rival, Vice President Hubert Humphrey, for president.
Oct 22, 2010 — On Oct. 22, 1962, President Kennedy announces a quarantine of Cuba, blocking additional Soviet warships from delivering missiles to the island. It becomes the leading issue of the 1962 midterm elections.
Oct 15, 2010 — On this date in 1992, President George Bush, Democratic challenger Bill Clinton and independent candidate Ross Perot hold their second debate, at the University of Virginia, a debate that used a "town hall" meeting format.
Oct 8, 2010 — On this day in 1991, seven Democratic women from the House march over to the Senate to demand a delay in the confirmation vote for Clarence Thomas, who is accused by Prof. Anita Hill of sexual harassment.
Oct 1, 2010 — On this day in 1987, Pat Robertson, a conservative televangelist who recently gave up his stint as host of the "700 Club," declares his candidacy for the Republican presidential nomination.
Sep 24, 2010 — On this day in 1980, the House ethics committee votes to expel Michael "Ozzie" Myers, a Pennsylvania Democrat, from the House for his role in the Abscam scandal.