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U.S. President Donald Trump meets with Russian Foreign Minister Sergey Lavrov, left, next to Russian Ambassador to the U.S. Sergei Kislyak at the White House in Washington, Wednesday, May 10, 2017. Trump on Wednesday welcomed Vladimir Putin's top diplomat to the White House for Trump's highest level face-to-face contact with a Russian government official since he took office in January. (Russian Foreign Ministry Photo via AP)
U.S. President Donald Trump meets with Russian Foreign Minister Sergey Lavrov, left, next to Russian Ambassador to the U.S. Sergei Kislyak at the White House in Washington, Wednesday, May 10, 2017. Trump on Wednesday welcomed Vladimir Putin's top diplomat to the White House for Trump's highest level face-to-face contact with a Russian government official since he took office in January. (Russian Foreign Ministry Photo via AP)

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    Why Trump's intel reveal could be dangerous

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Why Trump's intel reveal could be dangerous

CNN's Barbara Starr reports on why President Trump revealing sensitive intelligence to the Russians could put US intelligence operations at risk.

Why Trump's intel reveal could be dangerous

CNN's Barbara Starr reports on why President Trump revealing sensitive intelligence to the Russians could put US intelligence operations at risk.