Professor Marc Roberts Breaks Down the Clinton Health Care Plan.

Professor Marc Roberts is a professor of Political Economy and Health Policy at the Harvard School of Public Health and the Kennedy School of Government. He'll discuss the economics of health care and health care reform in America.

In Sick: The Untold Story of America's Health Care Crisis — and the People Who Pay the Price, author Jonathan Cohn looks at case studies of patients struggling with the U.S. health-care system to explain why a profit-based model means some people don't get the care they need. Cohn, a senior editor at The New Republic, advocates a government-regulated single-payer system.

Health care reporter Laurie Kaye Abraham. For her new book, "Mama Might Be Better Off Dead: the Failure of Health Care in Urban America" (U of Chicago), Abraham spent three years with a poor African American family studying the problem of lack of access to medical care. Abraham reveals how difficult it is for a poor family to make sense of Medicaid and Medicare, and the discrimination that blacks face in trying to find health care.