Joe Biden’s got jokes. The president took his critics — and even some friends — down a notch or two Saturday night at the White House Correspondents’ Dinner, the first time a sitting president has attended since President Barack Obama did so in 2016. Here are his and host Trevor Noah’s best jokes from the Nerd Prom. On Trump“This is the first time the president has attended this dinner in six years. It’s understandable. We had a horrible plague, followed by two years of COVID.” — Biden “I know there are questions about whether we should gather here tonight, because of COVID. Well, we’re here t…