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UNITED STATES - SEPTEMBER 9: Sen. Pat Roberts (R-KS) arrives for the Senate Republicans' policy lunch in the Capitol on Wednesday, Sept. 9, 2015. (Photo By Bill Clark/CQ Roll Call)

UNITED STATES - SEPTEMBER 9: Sen. Pat Roberts (R-KS) arrives for the Senate Republicans' policy lunch in the Capitol on Wednesday, Sept. 9, 2015. (Photo By Bill Clark/CQ Roll Call)

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