Healthcare reform: 4 companies leading change

The Supreme Court is set to rule on key provisions of the Affordable Care Act before the end of this month. With so much uncertainty around the future of the U.S. health care system, many companies have long been frozen, taking a "wait-and-see" approach to change, choosing to sit tight until the future becomes clearer. But in a rapidly changing world, sitting tight can spell disaster. "A leader of a large health care organization's challenge is to play offense, not defense," John Kotter wrote on this blog last summer.