If there's one thing Regina Herzlinger understands, it's the relationship between risk and benefit. Her home in Belmont, Mass., sits high on a hill and offers a stunning view of the Boston skyline across the Charles River. But there was a price to pay for that unobstructed view, and after a very frightening near-accident involving her car and some black ice, it didn't take Regina and her husband George-with doctorates in business and physics, respectively-long to realize that the risks were too high.
