Welp, Joe Biden went full Joe Biden on Saturday, after first making a low-key entrance at his first G20 summit, as the leaders of the world’s largest economies (sans China and Russia; the latter would be a third-world country were it not for nuclear weapons, and oil and gas reserves) gathered in Rome. That said — Biden being Biden — we’ll get to his foolishness in a bit. So, why should Joe behave any differently at the G20 summit? During the photo session with other world leaders, our intrepid president played the class clown, seen below joking with the President...