The Fix: 40 years of “Saturday Night Live” presidential impressions, in 4 minutes

"Saturday Night Live" is celebrating its 40th year on the air this year.  During that time, the sketch comedy show has successfully parodied every president -- and some people, like Sarah Palin, who never made it that far.  Here's a look at some of the best presidential impressions from SNL's four-decade run.Read full article >>