How did Joe Biden relax during his first Presidents Day weekend as president? By playing MarioKart with his family. During his weekend retreat at Camp David, Biden and his granddaughter Naomi played the racing video game, and he won. Naomi shared a video to Instagram that showed Biden competing against her on the Arcade GP DX machines, complete with chairs and steering wheels. Biden sat on the right as Luigi, and Naomi is Princess Peach on the left, GameRant noted. Despite not being at the same gaming level as his granddaughter, the commander-in-chief came out victorious. "Secret service made an...