 after accepting hundreds of thousands of dollars in bribes, including those infamous gold bars. If he does not step down, New Jersey Democratic Congresswoman Mikey Sherrill has called for him to be expelled. That would take a vote of two-thirds of the U.S. Senate for expulsion. Now, to give you an idea of how rare this is, only two senators have been convicted of federal charges in the past three decades. Alaska Senator Ted Stevens was in 2008, though his conviction was later overturned.