Nancy Cook: Joe Biden’s mission in debate with Trump was to calm fears about his age – he did the opposite

US president Joe Biden and Republican presidential candidate and former president Donald Trump speak during a presidential debate in Atlanta, Georgia. Photo: Reuters

Nancy Cook
© Washington Post

President Joe Biden bet that a debate with Republican ­Donald Trump would boost his moribund re-election campaign. His gamble failed.

A weary president looked every day of his 81 years. Instead of proving to voters that he had the stamina for another four-year term, everything that could go wrong did.