Republicans conspire to block witnesses and Iowans get ready to caucus like the country depends on it. LIVE from Iowa City, Jon is joined by filmmaker and activist Michael Moore, Iowa state auditor Rob Sand, Cedar Rapids Gazette columnist Lyn Lenz, and Linn County Supervisor Stacey Walker.They cover the latest on the trial, the primaries, and their perspective on how campaigns are faring on the ground. And we make time for Super Bowl ads, Brad Pitt's looks "hurting" his Oscar chances, and the difference between hot dish and casserole. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.