William "Bill" Maher is an American comedian, political commentator, and television host. He is well known for the HBO political talk show 'Real Time with Bill Maher' and the similar late-night show called 'Politically Incorrect', originally on Comedy Central and later on ABC. Wikipedia*
On the C-SPAN Networks:
Bill Maher has six videos in the C-SPAN Video Library; the first appearance was a 1995 Statement. Most appearances with Al Franken (2), Arianna Huffington (2). Most common tag: Radio.