IE 11 is not supported. For an optimal experience visit our site on another browser.

Trump's reelection crisis? World renowned pollster on 2020 alarm bells

07:01

Stan Greenberg, a renowned pollster and strategist for presidents, prime ministers and the late revolutionary Nelson Mandela outlines the fundamentals that threaten Donald Trump’s re-election – and even the entire Republican party’s hold on power in America. Greenberg discusses the evidence from his new book, "R.I.P. GOP," and takes questions on why he and so many pollsters were wrong about Trump’s 2016 victory in this discussion with MSNBC’s Ari Melber, along with Democratic U.S. Senate candidate.