Saturday Night Live opened on an expected note, with the Season 46 premiere riffing on the major political event — well, the scheduled one, at least — of the week: the first presidential debate between Donald Trump and Joe Biden. With Beck Bennett portraying moderator Chris Wallace, Alec Baldwin returning as Trump, and Jim Carrey making his debut as Joe Biden, audiences were treated to another round of the very unpresidential histrionics that unfolded Tuesday night, with NotTrump immediately