Norm MacDonald’s Letterman Impression [VIDEO]Norm MacDonald’s Letterman Impression [VIDEO]Another classic from back in the day, Norm McDonald impersonates Dave in this SNL sketch from the 90s.Dan RinelliDan Rinelli
![Norm MacDonald’s Letterman Impression [VIDEO]](http://townsquare.media/site/16/files/2015/05/hqdefault13.jpg?w=980&q=75)
