NASHVILLE, Tenn. (RNS)—Andrew Hamblin’s Facebook page is filled with snippets of his life. Making a late-night run to Taco Bell. Watching SpongeBob on the couch with his kids. Handling rattlesnakes in church. Hamblin, 21, pastor of Tabernacle Church of God in LaFollette, Tenn., is part of a new generation of serpent-handling Christians who are revitalizing...