“These reforms will be gradually implemented leading up to 2014, when the biggest part of the law — the expansion of coverage to an estimated 30 million of the currently uninsured — is set to kick in. If we get it right, more people will have the security of health insurance, the nation can become healthier and spending will be restrained. If things don’t go according to plan, it could disrupt the $4.78 trillion health care economy by squeezing hospitals, health insurance companies and state governments. Waits for doctor visits could get even longer.”