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Multiple marriages and even adultery are not automatic disqualifications for the presidency. If they were, the country would have a very different roster of former presidents and candidates. But when a political party decides that moralizing about personal conduct is as important as public policy, it inevitably makes some of its leaders vulnerable to the worst charges of hypocrisy.

In this political cycle, it is Newt Gingrich who has been unable to escape the toxic combination of infidelity and sermonizing.