A trial kicking off in a Los Angeles courtroom marks the first time a jury will hear claims that social media companies knowingly hook young users and cause harm.
Live updates: Top Border Patrol official set to leave Minneapolis as Trump sends border czar to state CNNLive updates: Top Border Patrol official Bovino expected to leave Minneapolis as Trump sends Homan to the state CNNTrump sends border czar to Minnesota. And, trial over social media addiction begins NPRBovino's future in doubt as White House walks back initial claims about Alex Pretti - US politics live The GuardianUS immigration chief