NEW YORK (Reuters) – The estranged wife of Robert F. Kennedy Jr. had three antidepressants but no alcohol in her system when she committed suicide in May, a New York medical examiner's office said on Saturday. Results of toxicology tests completed in June revealed that Mary Kennedy, 52, had the antidepressants Trazodone, Desmethylvenlafaxine and Venlafaxine in her blood when she died, a representative of the Westchester County Office of the Medical Examiner said. There was no alcohol found, the report said. Her family could not be immediately reached for comment. …