Two major names remain on the 2012 bench. Each has a giant persona, comes from a giant state, and has a giant following. Yes, it’s Texas Gov. Rick Perry and former Alaska Gov. Sarah Palin. Their political friendship, while somewhat recent, seems real — so real that it would be easy to imagine one endorsing the other if only one of them would jump into the race. That would give an instant charge of credibility and buzz to the endorsee, and likely set either Palin or Perry as the Tea Party favorite. Their friendship goes back to their days as...