Scientists haven't rendered a verdict on whether coffee is good or bad for you. A California judge has, though. He says coffee sellers in the state should have to post cancer warnings.<br />The culprit is a chemical produced in the bean roasting process that is a known carcinogen. It has been at the heart of an eight-year legal struggle between a tiny nonprofit group and Big Coffee.<br />The Council for Education and Research on Toxics wanted the coffee industry to remove acrylamide from its processing. <br />
