steps that he took to strengthen the country's laws about registering as a foreign agent, that led to, ultimately, some of the biggest convictions we've seen in this whole scandal, including the conviction of the president's campaign chairman, paul manafort, and the president's national security adviser, michael flynn, and just jed, bijan kian. joining us is david lockman. great to have you here. >> the honor is mine, rachel. >> you dealt with national security and counterintelligence matters. that came up all day today. but i was struck by an exchange that adam schiff had with robert mueller in which he described some of the compromising behavior around the president as a counterintelligence nightmare. robert mueller did not answer that directly. that's your characterization, not mine. how did that strike you? was that fair? >> i thought it was fair for him