Ultimate choice: Tennessee inmates wrestle with how to die

After more than three decades on death row, Don Johnson weighed the options for his own demise: He could keep a promise to his daughter that he wouldn't die in the electric chair.Johnson, who was convicted of suffocating his wife, was put to death by lethal injection, a method adopted by most states after the electric chair began losing public favor.Most states have gotten rid of the electric chair, meaning the only option for most inmates across the country is lethal injection.