FILE - In this Jan. 21, 2012, photo Miami Dolphins majority owner Stephen Ross speaks before introducing Joe Philbin as the head coach for the Miami Dolphins in Davie, Fla. A few weeks before the Republican primary in Florida in January, Ross, the billionaire owner of the Dolphins, hosted a fundraiser for Mitt Romney at his oceanfront home in Palm Beach. The average voter wouldn't know about the event at the home of Ross because Romney's campaign doesn't follow the practice of other major presidential candidates who have willingly identified big-money fundraisers and the amounts they collect.  (AP Photo/Lynne Sladky)
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