Home Olympic champion Michael Phelps of United States celebrates victory at the Men’s 4x100m medley relay of the Rio 2016 Olympic Games. Olympic champion Michael Phelps of United States celebrates victory at the Men's 4x100m medley relay of the Rio 2016 Olympic Games.

Olympic champion Michael Phelps of United States celebrates victory at the Men’s 4x100m medley relay of the Rio 2016 Olympic Games.

F-22 Raptor fighter jet at airshow.

CHARLOTE, NC, USA – JULY 5, 2016 President Obama and Hillary Clinton wave to the crowd on stage at their first campaign appearance at the Charlotte Convention Center.