President Biden’s re-election campaign was plunged into crisis after a faltering performance in the first TV debate with Donald Trump caused panic among Democrats about his chances of winning back the White House. Biden, 81, showed his age from the start of the showdown in Atlanta, Georgia, as he delivered meandering and muddled answers in a hoarse voice, in contrast to Trump’s more assured and disciplined messages on immigration and the economy. A snap poll by CNN, the host broadcaster, made Trump the winner of the debate by a two-to-one margin after a series of fumbles by Biden, including during an answer on the economy when he completely lost his train of thought. Speaking to reporters after the debate, Biden admitted to being sick, saying