Fans of the Jet City Rollergirls are hearing public announcements about Obamacare when they go to the roller derby track north of Seattle. Univision, the nation's largest Spanish-language television network, is airing half-hour specials about healthy living and educating viewers about how to sign up for coverage under President Obama's health law. And tax preparers at thousands of Jackson Hewitt and H&R Block offices are talking to their customers about how to enroll in the new insurance plans sold through the law's online marketplaces.
