Abbott and Costello once delivered a comedy routine entitled, “Who’s on First?” that identified various players on a baseball team and the positions they fielded. My team is called America and these are my players. First Base. Who. Joe Biden is currently playing first base. Joe is an enigma wrapped in a riddle. He falls up the stairs boarding Air Force One, gets confused, angry and lapses into fits of speaking mumbo jumbo. Joe can’t string thoughts together without a teleprompter, and his sign language interpreter dude looks like he’s having a stroke most of the time. Rough gig. Who...