Asked on CBS’s Face the Nation whether she was prepared to serve as commander-in-chief in case Biden became unable to carry out his duties, Harris said: “Yes, I am, if necessary.” There is always the possibility that Harris could ascend to the highest office and become the first women to serve as U.S. president without being elected. We can only hope that like Truman, Harris can overcome the doubts and rise to the occasion with confidence and success.