Is Trump’s new transgender troop ban already dead on arrival?

In another end-of-week news dump, the White House on Friday night released a memorandum effectively banning transgender people from serving in the military, following through on orders Donald Trump issued on Twitter last summer. “Our military must be focused on decisive and overwhelming victory,” Trump wrote at the time, “and cannot be burdened with the tremendous medical costs and disruption that transgender in the military would entail.”