"FILE - In this Sept. 25, 1998 file photo, provided by Domino's Pizza, Thomas Monaghan, founder and chairman of Domino's Pizza, Inc., left, and Mitt Romney, managing director of Bain Capital, Inc., sign an agreement for Monaghan to sell a ""significant portion"" of his stake in the company to Bain Capital, in New York. A businessman at his core, Mitt Romney was legendary in the private sector for his reliance on reams of information and extensive research to decide which companies to take over. And, when interviewing potential employees, he favored question-and-answer sessions designed to make recruits think on their feet and provide clues about how they approached situations.  (AP Photo/Domino's Pizza, Scott Gries, File)"