On July 2, the world will mark nine years since the passing of Professor Elie Wiesel. But this date should not be one of quiet remembrance—it should be a day of action and moral clarity. Because if Elie Wiesel were alive today, he would be anything but quiet. You may know him as the author of Night, but Professor Wiesel gave us much more than books. As a Holocaust survivor, a Nobel laureate, a relentless defender of the Jewish people, and a fierce, lifelong supporter of Israel, he gave us a blueprint for what it means to speak truth when...