diaz: today in ukraine, a surprise visitor. actress angelina jolie spent time with refugees in the city of lviv. the special envoy for the u.n. refugee agency was there on a personal visit. the u.n. says five million ukrainians are now refugees abroad. in tonight s weekend journal, we met with young refugees in chicago to understand the challenges of fleeing war and landing in a new country. the great american outdoors is helping these kids acclimate to america. u.s. feels like home because now everyone is equal people. there s no more wars, no more gunshots. reporter: rama al-refaai and her brother, mohammad, are from syria. resh mar is burmese. amina mohamad is from djibouti,