It may have been billed as a military parade to celebrate the American military’s history, but it said even more about the country’s present and future under Donald Trump. Soldiers, tanks and even robot dogs paraded along Constitution Ave. on Saturday, as paratroopers swooped in from overhead and military aircraft buzzed past the Washington Monument for the first major military parade held in the US capital since the victory after the first Gulf War of 1991. Or was this all a celebration for Trump’s 79th birthday? As the president took the stage under ominous stormclouds, it appeared that the celebrant...