After last week's surprise statements by two top generals that women should sign up for the draft just like men, Sen. Ted Cruz has set himself apart from his Republican rivals in the race for president by saying unequivocally that the idea is "nuts." When questioned at a Senate committee hearing last week, the Commandant of the Marine Corps. Gen. Robert Neller and Army Chief of Staff Gen. Mark Milley both said they thought women should have to register for Selective Service when they turn eighteen, just like men. During Saturday's presidential candidate debate in Manchester, N.H., everyone on stage...