Biden’s Birthday Prompts Debate About Age And Wisdom Of America’s Oldest President

President Joe Biden is marking his 81st birthday milestone Monday with a low-key family celebration as he braces for a strenuous election year ahead.

But even as the first family keeps the celebrations muted and out-of-sight, the moment nevertheless highlights his greatest campaign liability – his advanced age and, along with it, perceptions among voters that his physical and mental fitness have declined.