CLEARWATER - The name of Karen Ann Quinlan, whose right-to-die case 30 years ago created legal precedent for end-of-life issues, has surfaced again in the case of Terri Schiavo. Schiavo's parents want Judge George Greer to throw out his ruling to remove her feeding tube because his order includes an error about the Quinlan case. Her husband's lawyer called the request invalid and dismissed the error as insignificant. Greer's 2000 order to remove the tube was based on trial testimony from Schiavo's husband and others that she would not want to live on life support. But a friend of Schiavo's,...