After leading in some polls, New Gingrich has fallen out of favor with most Republican voters – especially in the key state of Iowa. He's taken a drubbing in negative ads, and much of the response from lawmakers who served with him in the House has been more criticism or silence.
Faced with growing criticism about his many years as a Washington insider, Newt Gingrich has launched a new website "Answering the Attacks." But some across the political spectrum continue to raise questions about his professional and personal record.
West Virginia Democrat Robert Byrd had been in Congress since 1953. He won his ninth term to the US Senate in 2006.
Did lawmakers exchange millions in earmarks for campaign contributions?