>> shannon: we are grateful to see people selflessly working in that region like you to go and everybody who's working along with you. "the washington post" said this, the exit is staggering and its scale and speed has turned into the fastest growing refugee crisis since world war ii. the conflict about one in four people out of their home seeking refuge within the country or across its borders. it has uprooted half of ukraine's children, raising fears of the threat of human trafficking. how worried are you about all of these spin-off problems are coming from this? >> it's really deep on my heart. i was coming back from romania and just looking at some pictures of children who had lost their fathers to the war and i just broke down crying right there on the airplane. it breaks my heart to know that we can see so much human evil. it's really almost surprising.