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WASHINGTON, DC - NOVEMBER 20: Sen. John McCain (R-AZ) questions a witness during a hearing of the Permanent Subcommittee on Investigations of the Senate Homeland Security and Governmental Affairs Committee November 20, 2014 in Washington, DC. The committee heard testimony on the topic of 'Wall Street Bank Involvement With Physical Commodities.' (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - NOVEMBER 20: Sen. John McCain (R-AZ) questions a witness during a hearing of the Permanent Subcommittee on Investigations of the Senate Homeland Security and Governmental Affairs Committee November 20, 2014 in Washington, DC. The committee heard testimony on the topic of 'Wall Street Bank Involvement With Physical Commodities.' (Photo by Win McNamee/Getty Images)

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With renewed power, McCain ready for 2015

With renewed power, Sen. John McCain will enter the 114th Congress as the chairman of the Senate Armed Services Committee.

With renewed power, McCain ready for 2015

With renewed power, Sen. John McCain will enter the 114th Congress as the chairman of the Senate Armed Services Committee.