Republican Congressman Randy Cunningham was behind bars for bribery.

NPR: Democrats Pledge to Raise Ethics; Experts Await

Representative RANDY DUKE CUNNINGHAM (Republican, California): In my life, I have had great joy and great sorrow.

NPR: A Year of Ethics Lapses in Congress

Randy Duke Cunningham of California had gone to prison in March for earmarking intelligence spending in exchange for bribes.

NPR: A Year of Ethics Lapses in Congress

Randy Duke Cunningham, Robert Ney, Tom DeLay, William Jefferson, etcetera.

NPR: Dividing the 'Moral Vote' After New Scandals

McCain was angrily challenged on campaign finance reform by Rep. Randy "Duke" Cunningham (R-California), a fellow Vietnam War veteran and supporter of Texas Gov. George W. Bush, the presumptive GOP presidential nominee.

CNN: McCain to campaign for House Republicans this fall