Thumper the Rabbit’s parents always taught him, “If you can’t say something nice, don’t say nothing at all.” If the left’s self-appointed Omniscient Diviners of True Meaning have their way, conservatives in the public square won’t be left with anything at all to say. Ever. It’s a treacherous business exercising your freedom of speech in the age of Obama. As a public service, I present to you: “The 2012 Condensed Liberal Handbook of Racial Code Words.” Decoder rings, activate! –Angry. On the campaign trail this summer, President Obama has become — in the words of the mainstream Associated Press —...