The great theatre of Donald Trump's U.S. military parade

Open this photo in gallery: The U.S. Army’s 250th Anniversary Parade on the National Mall coincides with U.S. President Donald Trump’s 79th birthday.Kevin Dietsch/Getty Images With armed forces on the streets of cities on both U.S. coasts this weekend, the country is marching into a new American era faster than at the standard military rate of 120 steps per minute. The Saturday evening military parade through Washington to mark the 250th anniversary of the United States Army realizes one of President Donald Trump's fondest hopes: a bravura procession occurring, by coincidence if not by cosmic convergence, on the minor but…