President Biden acknowledged that he may not have had the stamina to serve another four years in the White House if he had won reelection. "I don't know," Mr. Biden said in a recent interview with USA Today when asked whether he "would've had the vigor to serve another four years in office.

Biden told USA Today in an exclusive sit-down interview that he believes he could have won another four years in the White House if he stayed in the race and didn’t bow out and