Ready or Not? Human ES Cells Head Toward the Clinic

Shortly before Congressman James Langevin cast his vote last month to relax federal rules on funding of stem cell research, the Rhode Island Democrat told his colleagues, “I believe one day I will walk again.” Langevin, who has been paralyzed since a gun accident at age 16, pleaded with his colleagues to vote with him. “Stem cell research gives us hope and a reason to believe. … We have a historic opportunity to make a difference for millions of Americans.”