Barron Trump picked to serve as a Florida delegate at Republican National Convention in July

U.S. President Donald Trump, center, son Barron Trump, left, and First Lady Melania Trump walk on the South Lawn of the White House after exiting Marine One in Washington, D.C., U.S., on Sunday, Aug. 16, 2020. Joe Biden maintains a solid lead over Trump on the eve of the Democratic National Convention, according to polls that at least partly reflected his choice of Senator Kamala Harris as running mate. Photographer: Stefani Reynolds/Bloomberg via Getty Images