(CNN)Here's what you might have missed on CNN today:
-- BREAKING: Multiple fatalities have been reported after an Amtrak passenger train derailed over an interstate highway in Washington state. Catch up on the latest in this developing story.
-- ESPN president John Skipper has resigned from the sports network, citing a substance addiction.
-- A US air base in the UK was on lockdown briefly when a car attempted to ram a checkpoint.
-- Puerto Rico's governor ordered a review of deaths possibly linked to Hurricane Maria.
-- A well-known federal judge has resigned amid allegations of sexual misconduct.
-- President Trump unveils a new national security strategy in which his "America First" campaign promise is the key objective.
-- The world's busiest airport is slowly getting back to normal after power was restored.
-- Stocks surged over Wall Street's early Christmas gift -- a bill cutting corporate taxes that Trump could sign this week.
-- Twitter suspended the account of a far-right UK group that Trump retweeted.