Kathryn interviews NYTimes bestselling author Elizabeth Koehler-Pentacoff, author of 'The Missing Kennedy: Rosemary Kennedy and the Secret Bonds of Four Women'. Rosemary Kennedy, younger sister of President John F. Kennedy, was lobotomized at age 23 in 1941 and was put out of public view in 1959 at a remote facility in rural Wisconsin. For more than 20 years, she remained unvisited by family and non-family alike. In 1962 Elizabeth Koehler-Pentacoff and her parents were likely the first non-Kennedy family members to visit Rosemary following her lobotomy. Elizabeth, niece to Rosemary's caretaker, visited her on a regular basis for the next 34 years. Through their friendship, Elizabeth discovered the person many had forgotten or had never known. Based on independent research and interviews with the Shriver family, she tries to come to grips with Joseph Kennedy's well-intended decision to submit his eldest daughter to a still experimental medical procedure, and his later decision to keep