A recent TikTok trend is using a hilarious audio recording of President Biden epically failing to convince Americans he is “mentally focused.” The gaffe comes from a September interview on “60 Minutes” when CBS correspondent Scott Pelley asked Biden about his mental capacity to run the United States. “How would you say your mental focus is?” asked Pelley, to which Biden responded by rambling off a slew of bizarre and incoherent fragments. “Oh it’s focused,” answered Biden with a laugh. “I’d say it’s — I think it’s — I haven’t. Look, I have trouble even mentioning, even saying to myself,