Since the presidential election, former Secretary of State Colin Powell has not been making rounds on Sunday morning talk shows with the frequency he did when supporting Barack Obama for president. But last Sunday, he popped up on CNN to criticize Rush Limbaugh for misleading, if not destroying, the Republican Party. Powell tried to make the rejection of Limbaugh the path Republicans need to take to win elections again. Thus he asked rhetorically, “Can we continue to listen to Rush Limbaugh?” Of Limbaugh’s supposed influence on the Republican Party, Powell said: “Is this really the kind of party that we...