om/Article/3066486/David-Einhorns-Green=ight-Still-Waiting-for-Obamacare-Payoff.html">David Einhorn's Greenligh= Still Waiting for Obamacare Payoff David Einhorn's Greenl=ght Capital made a big bet on health care companies prior to the Supreme Co=rt's decision on Obamacare. It hasn't yet paid off. Read the ful