But while action heroes are evergreen, the political class is facing demands for generational change. Joe Biden is fully capable of executing his job as president of the United States. “It’s a distraction and it undercuts the successes that Joe Biden actually has as president of the United States. There is much more concern over Donald Trump’s mental acuity and physical presence than Joe Biden. “There’s a lot more support inside the Democratic party for the proposition that Biden is too old than there is inside the Republican party for the parallel proposition that Trump is too old,” he said.