Kyle Sampson, the former chief of staff to Attorney General Alberto Gonzales, testified before the Senate Judiciary Committee on Thursday that his former boss gave inaccurate statements when he said that he wasn't involved in the firing of U.S. attorneys.

U.S. Attorney General Alberto Gonzales admitted Tuesday that "mistakes were made" in the December firing of eight U.S. attorneys, but declined to resign over the controversy. Two senators discuss the day's developments.