 He also insists that he has the strength and stamina to be president for the next four years, despite the fact that he is 81. The New York Times, a pro-democratic newspaper, says that Biden's stubborn insistence on remaining the Democratic Party's presidential candidate is, as you've pointed out, a strategy aimed at running out the clock. At the Times, it is a tactic to leave his party without so little time to come up with another candidate.