World May 23 Watch 6:46 Why stopping terror attacks against soft targets is so hard What does the deadly attack at an Ariana Grande concert in the United Kingdom mean for the global fight against terrorism? Hari Sreenivasan gets analysis from Alexander Meleagrou-Hitchens of George Washington University and Michael Leiter, former director of the United… By PBS News Hour
World Apr 12 Boko Haram is using more child suicide bombers than ever The extremist group Boko Haram has sharply increased its use of children as suicide bombers over the past year, according to a UNICEF report released Tuesday. By Gretchen Frazee