Stem cells / Peter J. Bryant and Philip H. Schwartz -- Therapeutic uses of stem cells / Philip H. Schwartz and Peter J. Bryant -- Ethical issues in human embryonic stem cell research / Philip J. Nickel -- Religious perspectives on embryonic stem cell research / Mahtab Jafari ... [et al.] -- Political issues in the stem cell debate : the view from California / Lawrence S.B. Goldstein -- Roots and branches of the U.S. national debate on human embryonic stem cell research / Lee L. Zwanziger -- Stem cell politics : the perfect is the enemy of the good / Sidney H. Golub -- Ethical issues in stem cell research, therapy, and public policy / Ronald B. Miller.