It requires a concerted effort to take a moment of triumph and turn it into a seething fountain of bad blood. But that’s exactly what our supposed “national team” has done on the world stage following a dominant victory in the Women’s World Cup. This week should be a united exercise in American celebration, a wave of gratitude from the public to these young ladies who have played so well at the world’s most popular sport. Their return from France should have been an opportunity for them to inspire us with their national pride and personal grace, just as they...