The Republican tax bill, which relies on big tax cuts for corporations to stimulate economic growth, has much in common with Ronald Reagan’s "trickle-down economics,” but it would be more damaging to the middle class and to the economy. And, unlike Reaganomics, which passed with bipartisan support, Trumponomics cheats just about every voter except the super rich. John Cassidy joins Dorothy Wickenden to discuss how the plan would perpetuate the new Gilded Age and betray the central promises of Trump’s presidential campaign.