Playbook: “What we found notable about President Joe Biden’s Oval Office address last night was that he never explained why he’s not running for reelection. While he said he was stepping aside “to unite my party,” he did not say that he believes he’s too old to run, or that he’s unable to take on a campaign because of any physical or mental limitations, or that he believes he could not defeat Donald Trump.” “In other words, he did not concede any of the arguments Democratic leaders made to push him out of the race.