Whole Hog Politics: Gallup-ing away from history 

[Watch Whole Hog Politics live: Join us today at 9 a.m. ET at TheHill.com as Chris Stirewalt and host Bill Sammon break down this week’s political news and answer questions from a live online audience.] We know that President Trump doesn’t like pollsters, or at least not the ones that produce unfavorable results about him....