Jars of Clay, Amy Grant, and "Gay" Marriage - Why Are Stars Moving Pro-Homosexual?

Christian lead for the big-time Christian Contemporary band, Jars of Clay has tweeted his support for "gay" marriage. Meantime, Amy Grant appears to be supporting the idea of "gay" weddings too. The squishification of evangelicalism continues. But what's the root problem here? Kevin Swanson digs into the epistemological framework and finds the dry-rot of post-modern relativism.