John McCain hopes David Letterman is in a forgiving sort of mood. The late night comic was left livid after McCain cancelled an appearance on the Late Show in the eleventh hour but still managed to sit down for a lenghty chat with Letterman’s CBS colleague Katie Couric nearly two weeks ago.

“I hope that Dave forgives me. I’ve always enjoyed going on his show over many years and I look forward to coming back. He’s one of the greats,” the Republican nominee for President said an interview with celebrity journalist Mary Hart.