How can you be sure that the things you know are true… are actually true? We have access to more information than any humans in history but we can't process it on our own. In fact, almost all of what we know comes from others. We come to rely on people and institutions to tell us what to believe and not to believe. And it turns out there are huge consequential differences in how Americans form those relationships, relationships which serve as the building blocks for how we shape our own views of the world. So what happens when someone tries to manipulate that trust? If you ask David Roberts, you need only look at the current conservative movement to get your answer.Email us at WITHpod@gmail.comTweet using #WITHpodRead more at nbcnews.com/whyisthishappening Sign up for MS NOW Premium on Apple Podcasts to listen to this show and other MS podcasts without ads. You'll also get exclusive bonus content from this and other shows. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.