Last year, Colorado became the first state to pass a law that gives terminally ill patients access to experimental drugs without Food & Drug Administration approval. Now, more than 20 states have passed similar, “Right-to-Try” laws. Supporters say they help patients who can’t wait for an F.D.A. approval process that can take more than 10 years. But critics say Right-to-Try laws put patients at risk and undermine clinical trials. And they say the F.D.A. already has a compassionate-use application process that works. Diane and guests discuss debate over Right-to-Try laws in the states.