Jim Carrey returned to 'SNL' to absolutely nail the role of the fly on Mike Pence's head

It wasn't a matter of if Saturday Night Live would riff on the fly that landed on vice president Mike Pence's head during last week's debate with Kamala Harris, but how. 

Saturday's new episode began with a 12-minute cold open that brilliantly captured into the debate between Donald Trump and Joe Biden's running mates, with...