What Mattered Today: September 18, 2019

The Federal Reserve cut interest rates for the second time in as many months, Trump named hostage negotiator Robert C. O'Brien as national security adviser, and Mike Pompeo called attacks on Saudi Arabia's oil infrastructure an "act of war." Plus, Benjamin Netanyahu failed to win a majority in Israel's elections, the U.S. abortion rates fell to a record low, and Greta Thunberg joined other youth climate activists in testifying before Congress. Catch up on these and more major headlines of the day.

    What Mattered Today: September 18, 2019

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