What Mattered Today: October 14, 2019

Syrian troops headed north to defend Syrian Kurds from ongoing attacks by Turkish forces, President Trump said he planned to issue sanctions against Turkey, and an ex-U.S. senior aide on Russia and Europe testified to Congress. Plus, three U.S.-based researchers won the Nobel Prize in Economics, Uber announced layoffs, and protests followed the Spanish Supreme Court sentencing Catalan separatists to prison. Catch up on these and more of today's top headlines.

    What Mattered Today: October 14, 2019