Christa Pike's failed execution follows a pattern with lethal drugs in multiple states

Christa Pike, the only woman on Tennessee's death row, received two doses of a lethal drug in a Nashville execution chamber Wednesday night. But she didn't die. Although her survival was "unparalleled," as one expert said, it was the latest example of a botched execution attempt involving lethal injections in Tennessee and elsewhere around the United States."All of this was predicted, and the court did nothing," said Steve Ferrell, an attorney for Pike, at a news conference Thursday, refere