NATIONAL  ·   2 hours ago

Obama: U.S. will 'do what's necessary'

- Before getting on a flight Tuesday to New York City, where he was expected to speak about climate change, President Obama addressed the airstrikes that the U.S. launched Monday night against the Islamic State in Syria. ()

- Before getting on a flight Tuesday to New York City, where he was expected to speak about climate change, President Obama addressed the airstrikes that the U.S. launched Monday night against the Islamic State in Syria. ()

Obama: U.S. will 'do what's necessary' (3:16)

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