President obama's signature health law achieved a major milestone on Oct. 1, when its subsidized insurance exchanges went online. But ObamaCare is already reshaping the health insurance landscape. If you want to track how well the law is working, keep an eye on three aspects of it: Is it driving up the cost of insurance? According to the Congressional Budget Office, 25 million Americans today shop for health coverage on their own. That figure could hit 46 million by 2017, as ObamaCare's exchanges get under way.
展开▼
