Danielle Turchiano Senior Features Editor, TVThe final episode of “Saturday Night Live” for the tumultuous year that was 2020 started with both the hot topic of the day and the hot topic of the month: who would take over the role of President-Elect Joe Biden on the late-night sketch comedy series and the COVID-19 vaccine, respectively.The episode aired just hours after Jim Carrey shared news that his stint as Biden was only set to be six weeks and therefore he would not be continuing through