Former Massachusetts Gov. Mitt Romney in California last week. Justin Sullivan/Getty Images hide caption
Some superPAC donors are hiding from public scrutiny. iStockphoto.com hide caption
Invitations to fundraisers for members of Congress frequently mention which committees they serve on. Sunlight Foundation/Political Party Time hide caption
"I think most Americans would be shocked..." - Sen. Dick Durbin. Brendan Smialowski/Getty Images hide caption
Jack Abramoff in 2004. He's the one on the right. Dennis Cook/AP hide caption