Let’s face it—on nearly every important issue, from gun control to immigration to gay marriage, red states are holding America back. Lee Siegel on why the South should get the hell out of the union. Let’s not be fooled by all the bipartisan rhetoric that has been streaming out of the GOP since Romney’s self-destruction. Hundreds of thousands of petitioners in a handful of red states still want to secede? Well, don’t let the door hit you on the way out. A solid block of Southern states continues to refuse to expand Medicaid, thus squashing one of the linchpins of...