Rebecca Dresser, an expert on biomedical research law and bioethics and the Daniel Noyes Kirby Professor of Law at Washington University in St. Louis, discusses the legal and ethical implications of stem cell research with Mike Sampson of KWMU's "St. Louis on the Air" Nov. 25. Dresser is also a member of the President's Council on Bioethics. Listen to the program from the KWMU Web site.