The blank stares, the mix-up of world leaders, and the memory mishaps spelled out by Special Counsel Robert Hur — all hit President Joe Biden hard. But many have sought to come to his aid to disprove that the 81-year-old leader of the free world isn’t any different than anybody else who can gaffe, be forgetful, or slip-up. On Thursday, Biden spoke to a throng of reporters in a hurried press conference to push back against a damning special counsel report that harped on his senility and he bungled Egyptian leader Abdel Fattah El-Sisi as the “president of Mexico.” ALSO READ: Alina Habba is perso…