There's one sure way for Republicans and conservatives to lose the 2012 presidential election -- split over who their presidential nominee will be, and fail to go all-out to support the winner. People keep asking me, "What would your father, Ronald Reagan, do?" The answer is easy. No matter who the nominee is, he or she would get his support. After all, his famous "11th Commandment" demanded that Republicans support their party's nominee, no matter who he or she might be. He certainly would have supported John McCain in 2008. Tragically, if the party of Ronald Reagan had followed what...