Politics | Election 2008 Letterman Fits McCain Into His Schedule By Marie Morris Posted Oct 12, 2008 2:59 PM CDT Copied John McCain talks with David Letterman on the set of "The Late Show with David Letterman," Tuesday, April 1, 2008, in New York. (AP Photo/CBS, J.P. Filo) Three weeks after turning himself into a punch line by blowing off David Letterman, only to surface within hours elsewhere on CBS, John McCain has scheduled a return engagement with the late-night icon. After lengthy negotiations—during which Letterman continued his on-air taunting by saying McCain was being "squirrely"—they've made a date for Thursday, TV Guide reports. Read These Next Her blood isn't compatible with anyone else's. Some of the most explosive Diddy allegations are dropped. Fan who taunted Ketel Marte's mom has been banned by MLB. NJ lifeguard survives after being impaled by an umbrella. Report an error