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WASHINGTON, DC - FEBRUARY 28:  (AFP OUT) U.S. President Donald Trump addresses a joint session of the U.S. Congress on February 28, 2017 in the House chamber of the U.S. Capitol in Washington, DC. Trump's first address to Congress focused on national security, tax and regulatory reform, the economy, and healthcare. (Photo by Jim Lo Scalzo - Pool/Getty Images)
WASHINGTON, DC - FEBRUARY 28:  (AFP OUT) U.S. President Donald Trump addresses a joint session of the U.S. Congress on February 28, 2017 in the House chamber of the U.S. Capitol in Washington, DC. Trump's first address to Congress focused on national security, tax and regulatory reform, the economy, and healthcare. (Photo by Jim Lo Scalzo - Pool/Getty Images)

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    Cooper breaks down Trump's unproven claim

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Cooper breaks down Trump's unproven claim

CNN's Anderson Cooper breaks down Donald Trump's latest unproven claim -- that President Obama ordered a wiretap of his phones during the 2016 presidential campaign.

Cooper breaks down Trump's unproven claim

CNN's Anderson Cooper breaks down Donald Trump's latest unproven claim -- that President Obama ordered a wiretap of his phones during the 2016 presidential campaign.