In this special discussion in the wake of Robert Mueller's testimony on Capitol Hill, Greg Sargent of the Washington Post, Ryan Goodman of Just Security and Rosa Brooks of NYU Law School discuss just where we are in terms of the national security threat underlying the Trump-Russia investigation. They discuss whether the momentum for impeachment has disappeared and what options may still exist to hold Trump accountable and stop election interference in the future. A must listen episode of DSR. Join us.