Witnesses include: Diane Archer, Dir., Medicare Rights Center; John Bertko, Principal, Reden & Anders, Ltd.; Judith Discenza, V.P., Blue Cross & Blue Shield of Florida; Michael Hash, Deputy Administrator, Health Care Financing Admin.; Kirk Johnson, Sr. V.P., CNA Health Partners; Heidi Margulis, V.P., Govt. Affairs, Humana, Inc.; Ann Miller, Member, AARP Board of Directors; William J. Scanlon, Dir., Health Financing & Public Health Issues, Health, Education, & Human Services Div., General Accounting Office; Craig Schub, Pres., Secure Horizons USA; Nona Bear Wegner, Sr. V.P., The Seniors Coalition; & Gail R. Wilensky, Chair, Medicare Payment Advisory Commission.Bilirakis, Michael is the author of 'Medicare+Choice An Examination of the Risk Adjuster Hearing Before the Committee on Commerce, U.S. House of Representatives' with ISBN 9780756716332 and ISBN 0756716330.