The estranged wife of Bobby Kennedy, Jr. had three antidepressants in her system when she hanged herself, a new medical examiner's report reveals. Could the combination of drugs have spurred her to commit suicide? The Daily Beast’s Laurence Leamer talks to sources close to the Kennedy family, who reveal that Mary changed antidepressants in 2006—and it is highly likely that the three medicines found in her body were prescribed at different times.