Stem-Cell Study Moves Ahead

Re "The Quest Resumes": I am very impressed that scientists in this field preserved their passion, when the Bush Administration looked as if it might successfully restrain the research [Feb. 9]. Please go on finding new cures and therapies.
Antje Loew, AUGSBURG, GERMANY

No one, including former president George W. Bush, is against stem-cell research. It's embryonic-stem-cell research that's debatable. The Bush Administration's stem-cell restrictions were a result of Bush's courage to enact policies that reflected his belief (shared by many) that life begins at conception. It's because of these restrictions that scientists discovered the exciting...