President Biden has cast doubt on his fitness to serve another four years. Just days before leaving office, the president said he was unsure if he would’ve been physically fit to handle a second term. In a USA Today interview, the 82-year-old Biden said “who knows what I’m going to be when I’m 86 years old?” He also said he believes he could have won re-election had he stayed in the presidential race. Before dropping out last summer, Mr. Biden faced mounting questions about his age and fitness.