Israel has seen its share of visiting dignitaries at the Knesset—most of them armed with platitudes, few with courage. Donald J. Trump arrived with neither notes nor hesitation. The U.S. president, unmistakably himself, took the podium in…

Israel has seen its share of visiting dignitaries at the Knesset—most of them armed with platitudes, few with courage. Donald J. Trump arrived with neither notes nor hesitation. The U.S. president, unmistakably himself, took the podium in…