caption: FILE - In this July 26, 2016, file photo the stage is reflected on a glass window on the suite level at Wells Fargo Arena as <PERSON> sings the national anthem before the start of the second day session of the Democratic National Convention in Philadelphia. The coronavirus pandemic is forcing <PERSON> and <PERSON> to take a close look at whether they'll be able to move forward as planned this summer with conventions that typically kick off the general election season. (AP Photo/ <PERSON>, File)