>> reporter: hey, a savannah. the republican national convention is scheduled to begin just three months from now. president trump is warning he may look to move it out of charlotte if charlotte's democratic governor cannot guarantee the restrictions will be lifted by then. the president says he wants a packed arena. that would mean 20,000 people shoulder to shoulder in a state that just two days ago recorded its largest daily increase in positive covid-19 cases. the president targeted the governor saying cooper is in a shutdown mood. cooper responded saying state health officials are working with the rnc and north carolina is relying on data and science for our public safety. also today, the world health organization saying it's stopping trials on