Fifty-one percent of Americans have an unfavorable view of Obamacare, while only 34 percent have a favorable one, according to a new Kaiser Health Tracking Poll. For the past few months, Americans had split pretty evenly between supporters and opponents. But recently, Democratic enthusiasm for the law has waned. Last month, for instance, 65 percent of Democrats viewed the legislation favorably. Now, only 52 percent do. Read more here.