Oklahoma is executing a death-row inmate today -- despite new evidence and highly controversial drugs

The state of Oklahoma is expected to proceed today with the controversial execution of Richard Glossip, a man convicted of hiring a contract killer to commit a murder in 1997. Glossip was sentenced to death after he refused to confess to the killing he says he did not order. His case has attracted considerable attention because of the lack of physical evidence against him and contradictory statements from the confessed killer, who pointed to Glossip as the mastermind to escape being placed on de...