breaking news this evening, president biden is convinced that vladimir putin has decided to invade ukraine. understanding vladimir putin, his objectives and strategy is something that has stumped many analysts for decades. my next guest spent a career trying to understand him and the russian state, she's fiona hill, former senior director for european and russian affairs on the national security counsel, also the author of the memoire "nothing for you here, finding opportunity in the 21st century" ms. hill, thanks so much for joining us. you heard president biden say today he is convinced vladimir putin made the decision to invade ukraine, obviously the president has access to intelligence, you do not, but do you agree?