But no one, absolutely no one, is as sharp at 82 as they were at 62.
This is not sufficient argument for why he should give up the seat. Bernie at 82 is sharper than most people at 62 and that's the truly relevant fact here.
But why can't I impose my own beliefs on people who have no beliefs!? It's not fair!
Yeah of course it's not fair, but refusing to vote for the least bad available option is insanity when the stakes are this high. These people are beyond children and will lead our entire species to its end.
Let's bring back Sherman's march to the sea while we're at it.