FILE - In this June 8, 2012 file photo, Texas Senate Candidate Ted Cruz arrives for a Texas Federation of Republican Woman luncheon during the Texas Republican Convention in Fort Worth, Texas. The tea party candidate for U.S. Senate has come a long way since he kicked off his campaign more than a year ago with seemingly no chance of competing against the mainstream GOP front-runner in the race, Lt. Gov. David Dewhurst. (AP Photo/LM Otero, File)

Associated Press
FILE - In this June 8, 2012 file photo, Texas Senate Candidate Ted Cruz arrives for a Texas Federation of Republican Woman luncheon during the Texas Republican Convention in Fort Worth, Texas. The tea party candidate for U.S. Senate has come a long way since he kicked off his campaign more than a year ago with seemingly no chance of competing against the mainstream GOP front-runner in the race, Lt. Gov. David Dewhurst. (AP Photo/LM Otero, File)
FILE - In this June 8, 2012 file photo, Texas Senate Candidate Ted Cruz arrives for a Texas Federation of Republican Woman luncheon during the Texas Republican Convention in Fort Worth, Texas. The tea party candidate for U.S. Senate has come a long way since he kicked off his campaign more than a year ago with seemingly no chance of competing against the mainstream GOP front-runner in the race, Lt. Gov. David Dewhurst. (AP Photo/LM Otero, File)
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