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WASHINGTON, DC - JUNE 01:  U.S. President Donald Trump announces his decision for the United States to pull out of the Paris climate agreement in the Rose Garden at the White House June 1, 2017 in Washington, DC. Trump pledged on the campaign trail to withdraw from the accord, which former President Barack Obama and the leaders of 194 other countries signed in 2015. The agreement is intended to encourage the reduction of greenhouse gas emissions in an effort to limit global warming to a manageable level.  (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - JUNE 01:  U.S. President Donald Trump announces his decision for the United States to pull out of the Paris climate agreement in the Rose Garden at the White House June 1, 2017 in Washington, DC. Trump pledged on the campaign trail to withdraw from the accord, which former President Barack Obama and the leaders of 194 other countries signed in 2015. The agreement is intended to encourage the reduction of greenhouse gas emissions in an effort to limit global warming to a manageable level.  (Photo by Win McNamee/Getty Images)

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Trump's tweets attack DOJ, London mayor

President Donald Trump went after the Justice Department and the London mayor in a barrage of tweets, but some of these messages could possibly undermine his own agenda. CNN's Sara Murray reports.

Trump's tweets attack DOJ, London mayor

President Donald Trump went after the Justice Department and the London mayor in a barrage of tweets, but some of these messages could possibly undermine his own agenda. CNN's Sara Murray reports.