When Worlds Collide

Kentucky Gov. Ernie Fletcher signed a death warrant for a convicted killer. By doing so, some say Fletcher, a doctor, may have put his medical license at risk. American Medical Association guidelines bar doctors from taking part, directly or indirectly, in executions. "I think it's a clear violation," said Dr. Arthur Zitrin, an 86-year-old retired psychiatrist in New York and an outspoken