By Joseph Ax (Reuters) – Defense lawyers for the gunman who murdered 17 people at Marjory Stoneman Douglas High School in February 2018 abruptly rested their case on Wednesday, taking prosecutors by surprise and drawing an angry rebuke from the trial judge. A jury is deciding whether to recommend a death sentence for 23-year-old Nikolas Cruz, or a sentence of life in prison without parole, after he pleaded guilty last October to premeditated murder. It was one of the deadliest school shootings in history, killing 14 students and three staff members. Cruz’s lawyers had previously said they plan…