While much of the conservative movement has seemingly lined up to oppose former House Speaker Newt Gingrich’s ascent in the contest for the Republican presidential nomination, high-profile defenders of Gingrich have been few and far between. But Gingrich does have one outspoken defender, conservative talker and author of “Ameritopia: The Unmaking of America,” Mark Levin. “I’m going to tell you something. Newt Gingrich was the former Republican Speaker of the House, the first Republican Speaker of the House in almost half a century, and he was fighting the Democrats and to win the House of Representatives before most of the...