FX has released the trailer for Ryan Murphy’s upcoming series, “ Love Story : John F. Kennedy Jr. & Carolyn Bessette.” The show is the first installment in Murphy’s “Love Story” anthology and is inspired by Elizabeth Beller’s book “Once Upon a Time: The Captivating Life of Carolyn Bessette-Kennedy.” Paul Kelly and Sarah Pidgeon star as Kennedy and Bessette, with the series following their high-profile romance, beginning with Kennedy’s upbringing in the public eye and reputation as “America’s