Late Night host David Letterman had already put on a suit covered in Alka-Seltzers and lowered himself into a vat of water.

With his own style and approach, David Letterman, the face of American television, transformed the late-night talk show space ...

Without further ado, it’s time to rank the Top 10 guests during Letterman’s final sweeps month, going in reverse order of course. I should note I did not see Oprah Winfrey's appearance on May 15.

Blagojevich's publicity agency says he is "thrilled" to deliver Wednesday's Top Ten list and make his second appearance on Letterman's show. His first came during the infamous media tour shortly ...