WASHINGTON — Thousands of youth flocked to the National Mall in Washington, D.C. on Saturday for the ecumenical gathering “Together 2016,” which sought to unite those of various backgrounds to “stand together for Jesus” and featured a video endorsement by the leader of Roman Catholicism. The event featured speakers such as Francis Chan, Ravi Zacharias, Lou Engle, Christine Caine and Southern Baptist Convention President Ronnie Floyd, as well as music from Michael W. Smith, Hillsong United, Lecrae, Jeremy Camp, Lauren Daigle, Casting Crowns and Kirk Franklin, among others. “Everything now is protests: ‘I’m against this’ or ‘I hate that.’ We...