INTERACTIVE: Balance of Power

In this combination photo, president Donald Trump, left, speaks at a news conference on Aug. 11, 2020, in Washington and Democratic presidential candidate former Vice President Joe Biden speaks in Wilmington, Del. on Aug. 13, 2020. The conventions, which will be largely virtual because of the coronavirus, will be Aug. 17-20 for the Democrats and Aug. 24-27 for the Republicans. (AP Photo)