The perennial question of whether men and women can be just friends is finding new life among evangelical Christians. Evangelical author Aimee Byrd is promoting intimate friendships between opposite-sex Christians as a way to bond spiritually while modeling for the world that men and women can be close without having to worry about bad behavior and harassment claims. Byrd has written a series of blog posts on the topic and promises to elaborate in her new book “Why Can’t We Be Friends? Avoidance Is Not Purity,” set to be released in late June. Not surprisingly, Byrd is no fan of...