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 Tara Reid taken out of Chicago-area hotel on a stretcher. Man was planning cremation for his sister, who turned out to be alive. High school coach is undefeated, and missing. Suit: Campbell Soup Co. exec mocked the 'poor' in secret tape. Report an error