John Piper, founder of DesiringGod.org and chancellor of Bethlehem College & Seminary, speaks at the MLK50 Conference hosted by the Ethics & Religious Liberty Commission of the Southern Baptist Convention and The Gospel Coalition in Memphis, Tennessee, Christians from across the spectrum have weighed in on influential pastor and author John Piper's op-ed piece criticizing Christians' support for President Donald Trump.“I think it is a drastic mistake to think that the deadly influences of a leader come only through his policies and not also through his person,” Piper, founder of Desiring God, wrote on Thursday. “Flagrant boastfulness, vulgarity, immorality...