Ron Paul's presidential campaign strikes what looks to be the hardest blow yet on the surging Newt Gingrich in a new video called "Serial Hypocrisy."The ad uses several instances where Gingrich either aligned himself with liberals (his famous ad with Rep. Nancy Pelosi on climate change or attack on fellow Republican, Rep. Paul Ryan's budget plan as "right-wing social engineering.")
Barbara Mikulski John McCain Jay Rockefeller Thad Cochran Tom Harkin Harry Reid