Amid a flash of cameras, Mitt Romney signed the check to buy Domino’s Pizza with a flourish. It was a huge deal for Romney’s Bain Capital back in 1998, worth $1.1 billion. Under Bain, Domino’s grew its revenues and earnings, but it also grew its debt to $1.5 billion, leaving the nation’s largest pizza chain with a higher debt ratio than most of its rivals, and interest payments that eat up half its profit each year.
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