President Trump's evolving threats on Iran

With the world bracing for possible U.S. action against Iran, a change in tone from the president, who now says the regime has stopped killing protesters, even as bodies overflow the morgues, and the regime says it's back in full control. Plus, the Cold War, of sorts, over Greenland. The "fundamental disagreement" our NATO ally Denmark says there is, after talks at the White House today.

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