Republican presidential candidate Donald Trump on the debate stage at the Reagan Library in Simi Valley, Calif., on Wednesday, Sept. 16, 2015. In Wednesday’s Republican presidential debate, Trump called for closing a loophole on how money management fees earned by hedge fund, venture capital and private equity managers are taxed. “The hedge fund guys won’t like me as much as they like me now,” Trump said. “I know them all, but they’ll pay more.” Connecticut is ground zero in the debate over what is known as carried interest. It has the third-highest concentration of hedge funds after New York...