Tennessee's failed execution raises questions about widely used lethal-injection drug

The lethal drug administered in Tennessee’s failed attempt to execute Christa Pike has been used in multiple states that carry out the death penalty and by the U.S. government after President Donald Trump resumed federal executions during his first term. Pike, 50, remained alive after two doses of pentobarbital were administered Wednesday, according to her attorneys and media witnesses. One of her lawyers said Thursday that she was being treated at a hospital.Tennessee officials haven&rsqu