Nearly 20 years after the attacks on 9/11, the pretrial hearing began Tuesday at Guantanamo Bay for five men accused in the 2001 plot that killed nearly 3,000 people. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/3uHCDO5 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 #GuantanamoBay #September11