Steve Kornacki, our guest this week, is the national political correspondent for NBC News. You see him often around campaigns and election nights in front of what the network calls the "Big Board." He recently finished a 7-part podcast series called "The Revolution with Steve Kornacki." It's the story of how the Republicans took over the U.S. House of Representatives for the first time in 40 years. That happened in 1994 and was organized and led by former Georgia congressman and Speaker of the House Newt Gingrich. 
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