election against Democrat Joe Biden, Trump is scrambling to respond to public anger over his troubled months-long handling of the pandemic.Since the virus first hit the United States, Trump has insisted that it will just "disappear."But that sunny claim is now badly strained even among loyal supporters, as they watch COVID-19 cases surge through populous Republican-led states like Florida and Texas.More widely, polls show public trust in Trump's management of the crisis tanking.Throughout, he has sought to deny the seriousness of the problem, an attitude symbolized by his mockery of masks and refusal to back up doctors' recommendations for mass use.Trump went some way to addressing that Monday with a tweeted picture of himself in a black.