The Senate passes a bill to fund embryonic stem-cell research, but President Bush threatens to veto. In the meantime, states are gearing up with their own efforts to fund the research.
Rudolf Jaenisch, founding member, Whitehead Institute; professor of biology, Massachusetts Institute of Technology
Douglas A. Melton, investigator, Howard Hughes Medical Institute; Thomas Dudley Cabot Professor in the Natural Sciences; co-director, Harvard Stem Cell Institute, Harvard University
George Q. Daley, associate professor, biological chemistry and molecular pharmacology; associate professor, pediatrics at Children's Hospital Boston, Brigham and Women's Hospital, Harvard Stem Cell Institute
Michael Sandel, Anne T. and Robert M. Bass Professor of Government; author of The Case Against Perfection: Ethics in the Age of Genetic Engineering