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WASHINGTON - JUNE 5: The U.S. Capitol is shown June 5, 2003 in Washington, DC. Both houses of the U.S. Congress, the U.S. Senate and the U.S. House of Representatives meet in the Capitol. (Photo by Stefan Zaklin/Getty Images)
WASHINGTON - JUNE 5: The U.S. Capitol is shown June 5, 2003 in Washington, DC. Both houses of the U.S. Congress, the U.S. Senate and the U.S. House of Representatives meet in the Capitol. (Photo by Stefan Zaklin/Getty Images)

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    Senate set to vote on gun control measures

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Senate set to vote on gun control measures

Tensions are rising as the U.S. Senate prepares to vote on four gun control amendments. CNN's Manu Raju reports.

Senate set to vote on gun control measures

Tensions are rising as the U.S. Senate prepares to vote on four gun control amendments. CNN's Manu Raju reports.