Following President Joe Biden’s high-stakes NATO press conference, one present and another former San Antonio mayor shared radically divergent takes on whether he’s fit enough to win in November. Biden’s age has been a subject of intense debate across the political spectrum following his disastrous debate performance more than two weeks ago. During the first presidential debate of the 2024 cycle, the 81-year-old stumbled over his words and appeared to lose his train of thought while presumptive GOP nominee Donald Trump appeared uncharacteristically  calm.