President Joe Biden faced reporters’ questions about the roughly 16,000 migrant children in U.S. custody. Biden defended rolling back former President Donald Trump’s immigration policies. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/2NRhyBk WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WorldNewsTonight #PresidentJoeBiden #Migrant