California April 28, 2019 9:55 am Otter.ai Sam Liang tries to teach computers to understand us – and our accents – better. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 3:37 4.1-magnitude earthquake shakes Corona 1:40 Democrats say Big Oil misled public for decades about climate change 2:56 Police putting up barricades on UCLA campus after overnight brawl 4:00 Firecrackers thrown at pro-Palestinian encampment during protester clash at UCLA