Trump says 'probably not' to join Putin-proposed summit on Iran College football facing staunch opponent in novel coronavirus Trump, Biden trade barbs on virus response Nasdaq finishes at fresh record but Dow ends lower Pandemic puts New York subway on rough track New study shows disparities across racial, ethnic groups in US COVID-19 hospitalizations US trilateral negotiations subvert intl consensus on disarmament: envoy US 'underprepared' for 'greatest public health crisis' in century: CDC director College sport now facing toughest opponent College students come to grips with learning choices Paws crossed for panda birth at Washington zoo Poland, US sign military agreement Trump pushes to reopen school despite severe COVID-19 situation 'Confederate' name of a bird is changed Big-picture view needed to see truth of US infections Yale accused of bias against Asians, whites Trump's younger brother dies at 71 US administration unable to meet testing capacity suggested by expert: testing coordinator Initial US jobless claims fall below 1m