Tamar Jacoby: Senior fellow at the Manhattan Institute who writes extensively on immigration and citizenship. She is also the author of "Reinventing the Melting Pot: The New Immigrants and What It Means To Be American."
Grading Medicare Part D The deadline to enroll in Medicare Part D has arrived, yet many seniors remain confused by all the options. Kerri Miller talks with two health care experts about the future of Medicare's prescription drug plan.10:06 a.m.
David Durenberger: Former Minnesota senator and chair of the National Institute of Health Policy at the University of St. Thomas.
Marilyn Moon: Vice president and director of health care for the American Institutes for Research. She is also president of the National Academy of Social Insurance.