Senate Foreign Relations Committee Holds Hearing On Russia And Ukraine [Getty Images]

WASHINGTON, DC - JULY 09: Former National Security Advisor Zbigniew Brzezinski (R) and former assistant to the president for national security affairs Stephen Hadley (L) testify before the Senate Foreign Relations Committee during a hearing July 9, 2014 in Washington, DC. The committee heard testimony on the topic of "Russia and Developments in Ukraine."
(Photo by Win McNamee/Getty Images)

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