maintain and sustain, our leadership in the world? every generation has to re-establish the fight for democracy. for real. you literally have to do it. >> it feels like biden was lying out his world view and the role right now. what world view is it? >> i think the president is right when he says an inflection point. as someone has done foreign policy in the house and the senate for 30 years, i've never seen a more challenging moment of a confluence of events that the united states faces. the challenge of china, the single most challenge of the united states and the western world has, the continuing child of russia. north korea with nuclear weapons. and iran seeks nuclear weapons. and venezuela and what's happening in nicaragua. we're at an inflection point.