A liberal Lutheran pastor and activist in Wisconsin resigned after his bishop told him endorsing Rep. Alexandria Ocasio-Cortez, D-N.Y., for president in a Sunday sermon would violate denominational guidelines. Former Pastor Jonathan Barker resigned from Grace Lutheran Church in Kenosha and shed his credentials as a minister in the progressive Mainline Evangelical Lutheran Church in America, according to a letter from Bishop Paul D. Erickson of the Greater Milwaukee Synod.Erickson said he learned last Wednesday that Barker, 41, was planning to preach a sermon endorsing Ocasio-Cortez, a member of the informal far-left faction in the U.S. House of Representatives known...