After 17 years in the US Army, Maj Kara Corcoran, 39, was preparing to graduate from an elite military leadership programme. But there was a complication. Two days before the ceremony, Kara was told that she would need to conform to male regulations, which meant wearing male uniform and cutting the long blonde hair she had grown since she told the Army she identified as a woman in 2018. The directive had come from the Pentagon, and filtered down through her chain of command at Fort Leavenworth, Kansas. "Nothing about me is a man, but we're going to force me...