 Watergate, Iran-Contra, the Teapot Dome. Just how protected would presidents have been from the fallout of these political scandals, according to the Supreme Court's latest decision that gives presidents broad immunity for official acts. That ruling effectively cleared former President Trump from the January 6th case against him, and it fits into a steady march toward greater and greater presidential power. Julian Zelizer is back with us. He's a professor of history and public policy at Princeton University. Hi, Julian.