Much of a leader's responsibility in creating a positive, high-performance culture is setting the right tone and acting on it consistently. That day-to-day execution - the tenor and tone - really makes the difference. One deviation - one exasperating meeting - and the CEO legitimizes bad behavior.

I believe in the power of a positive, high-performance culture, which begins with strong ethical values at the core.

We confuse insurance with our moral obligation to provide health-care services to people. And what we try to do is finance our moral obligation through the insurance system, which punishes the people who are fiscally responsible to buy insurance.

We are a wealthy country. We also are the global engine of innovation in health care, whether it's the pharmaceutical industry or the creation of medical devices.