once again mined the endless mill of comedy that comes from a presidential election season for this week's «cold open.» The show mocked Joe Biden and Donald Trump's simultaneous town hall appearances that were held on NBC and ABC on Thursday.Jim Carrey returned to play Biden at a town hall moderated by George Stephanopoulos (played by Mikey Day), who described the vibe they were going for as, «Poorly attended college lecture.»The sketch switched back and forth between Biden's town hall and