PBS News Hour S44 E80 April 22, 2019

Monday on the NewsHour, suicide bombings in Sri Lanka on Easter Sunday kill at least 290 people. Also, Ukraine elects a political satirist as its next president, Mueller report fallout, 2020 Democrats on impeachment, Tamara Keith and Amy Walter on the week in politics, a book about countering extremism, an unusual view of melting Arctic ice and a humble opinion on the fire at Notre Dame Cathedral.