Congress briefings and military buildup near Iran

President Donald Trump is set to deliver his State of the Union address as the administration weighs potential military action on Iran. NBC News Chief Data Analyst Steve Kornacki looks at President Trump’s standing in the polls ahead of his address. Sen. Markwayne Mullin (R-Okla.) joins Meet the Press NOW discuss what he wants to hear from the president in his address. Sen. Ruben Gallego (D-Ariz.) explains his decision to skip the State of the Union address.

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