mueller report and now an entire day of testimony from robert mueller, before all of that, there was a russia investigation that preceded him. our nation s first and contemporaneous attempt to understand russia s de facto invasion into american democracy in our 2016 presidential election. our next guest was there for the beginning of this premueller investigation. he served as a top official in the justice department s national security division. his work, particularly the steps he took to strengthen the country s laws about registering as a foreign agent, that led to ultimately the biggest convictions we have seen in the scandal, including the conviction of the presidential campaign chairman, paul manafort and michael flynn and the trump transition official, bijan kian. thanks for making the trip. good to have you here. at the justice department, you