Senate

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Democratic Senate challenger Alison Lundergan Grimes left, speaks with former Presidet Bill Clinton as they are introduced at a fundraiser at the Galt House Hotel, Tuesday, Feb. 25, 2014, in Louisville, Ky. (AP Photo/Timothy D. Easley)

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Organizers prepare for a protest outside of the Senate chambers in the South Carolina Statehouse on Tuesday, Feb. 25, 2014, in Columbia, S.C. Protesters say they are stifled by a law that calls for up to three years in prison and a $5,000 fine for demonstrations inside the capitol. (AP Photo/Jeffrey Collins)

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Organizers prepare for a protest outside of the Senate chambers in the South Carolina Statehouse on Tuesday, Feb. 25, 2014, in Columbia, S.C. Protesters say they are stifled by a law that calls for up to three years in prison and a $5,000 fine for demonstrations inside the capitol. (AP Photo/Jeffrey Collins)

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Senate Majority Leader Harry Reid of Nev. faces reporters on Capitol Hill in Washington, Tuesday, Feb. 25, 2014, following a closed-door Democratic policy meeting. The Senate seemed ready Tuesday to vote preliminary approval of a sprawling Democratic bill expanding health, education and other benefits for veterans, but the election-year measure faced conservative opposition and an uncertain fate as Republicans try to make it smaller and find ways to pay for it. (AP Photo/J. Scott Applewhite)