in europe, president biden saw firsthand a continent transformed by war. he met with american troops stationed in poland, praised a revived and united nato alliance, comforted some are the over 3 million ukrainian refugees, and confronted head on the looming challenges for global democracies. it will not be easy. there will be cause. there s a price we have to pay because the darkness that drives autocracy is ultimately no match for the flame of liberty that lights the souls of free people everywhere. this morning biden is back in washington where polls show that americans are skeptical of his ukraine response so far. joining me now with their reporting and their insights jonathan martin of the new york times, npr, and cnn moanu raju.