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President Donald Trump is expected to announce soon that he will decertify the landmark international deal to curb Iran's nuclear program. Zachary Goelman reports. more
Mattis: U.S. warning averted Syria chemical attack

The U.S. Secretary of Defense says the Syrian military appears to have called off a chemical weapons attack, after the White House reported earlier this week that Syrian forces were preparin ...

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Mattis sworn in as new defense secretary

James Mattis is sworn in as the new defense secretary under U.S. President Donald Trump and Vice President Mike Pence. Rough Cut (no reporter narration).

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