NEW YORK — Tatiana Schlossberg, the granddaughter of former U.S. President John F. Kennedy, has revealed that she has been diagnosed with an aggressive form of cancer and has been given less than a yearNEW YORK — Tatiana Schlossberg, the granddaughter of former U.S. President John F. Kennedy, has revealed that she has been diagnosed with an aggressive form of cancer and has been given less than a year


