text:  Jeffrey Rosen wrote that piece. He is president and CEO of the National Constitution Center in Philadelphia. And he's been looking at what the latest court ruling means in the context of executive authority expanding. Jeff, welcome back to All Things Considered. Great to be here. Before we get to the history of presidential power expanding, would you describe yesterday's ruling as ratcheting up executive authority a few degrees or turning the dial all the way to the highest setting? Like how dramatic a shift was this?