Senate

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Sen. Claire McCaskill, D-Mo., left, and Sen. Kelly Ayotte, R-N.H., participate in a news conference on Capitol Hill in Washington, Thursday, March 6, 2014, following a Senate vote on military sexual assaults . The Senate blocked a bill that would have stripped senior military commanders of their authority to prosecute rapes and other serious offenses, capping an emotional, nearly yearlong fight over how best to curb sexual assault in the ranks. (AP Photo/Charles Dharapak)

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** FILE ** Sen. Barbara Boxer, D-Calif., left, accompanied by Sen. Kirsten Gillibrand, D-N.Y., speaks during a mews conference on Capitol Hill in Washington, Thursday, March 6, 2014, following a Senate vote on military sexual assaults. (AP Photo/Charles Dharapak)

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State Sen. Jerry Hill, D-San Mateo, the seat- mate of Sen. Rod Wright, arrives at his desk in the Senate Chambers at the Capitol in Sacramento, Calif., Thursday March 6, 2014. Wright's desk sits vacant after he took a leave of absence from the Senate as he awaits sentencing on perjury charges. (AP Photo/Rich Pedroncelli)

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State Sen. Joel Anderson, R-Alpine, called for a floor vote to expel Democratic Sen. Rod Wright, who was recently convicted of perjury, during the Senate session in Sacramento, Calif., Thursday March 6, 2014. The motion was ruled out of order because a similar resolution was derailed by Senate Democrats last week. Wright has been granted a leave of absence as awaits sentencing.(AP Photo/Rich Pedroncelli)

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State Sen. Joel Anderson, R-Alpine, called for a floor vote to expel Democratic Sen. Rod Wright, who was recently convicted of perjury, during the Senate session in Sacramento, Calif., Thursday March 6, 2014. The motion was ruled out of order because a similar resolution was derailed by Senate Democrats last week. Wright has been granted a leave of absence as awaits sentencing. (AP Photo/Rich Pedroncelli)

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Sen. Kirsten Gillibrand, D-N.Y. speaks at a news conference on Capitol Hill in Washington, Thursday, March 6, 2014, following a Senate vote on military sexual assaults. The Senate blocked a bill that would have stripped senior military commanders of their authority to prosecute rapes and other serious offenses, capping an emotional, nearly yearlong fight over how best to curb sexual assault in the ranks. (AP Photo/Charles Dharapak)

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** FILE ** This Oct. 23, 2013, file photo shows state Sen. Joni Ernst during a Senate debate in Des Moines, Iowa. (AP Photo/The Des Moines Register, Bill Neibergall)