 leading even some Democrats to question his fitness to run and serve again. The campaign says Biden had a cold. While the 81-year-old president concedes he doesn't debate as well anymore, he can and will stay in the race. Amy Held, NPR News. Former President Trump made his first public appearance following the debate at a rally in Chesapeake, Virginia, as he faces questions about his own fitness for office. He got to debate rules that he wanted.