Joe Biden bluntly told reporters yesterday that he is “doing 9/11” when asked what his plans were ahead of the presidential debate. The US president was questioned about what he will be doing over the coming days when he made the strange comment one day before the 23rd anniversary of the terror attacks. The 81-year-old was heading to Marine One on the White House lawn before the Kamala Harris and Donald Trump debate when journalists asked about his plans. Biden said: “I’m going up to my granddaughter’s birthday in New York. “Then we’re gonna watch the debate, then tomorrow I’m doing 9/11.” The…