In our cover story, Cowan talks with Kerry and Chris Kennedy about the proposed parole of the man who killed their father, Sen. Robert F. Kennedy. Also: Rita Braver travels with first lady Dr. Jill Biden; Tony Dokoupil talks with Maggie Gyllenhaal about her first film as a director, "The Lost Daughter"; Mo Rocca interviews writer Fran Lebowitz; David Pogue examines the new James Webb Space Telescope; John Dickerson profiles New York Congressman Ritchie Torres; and Nancy Giles finds out what happens to letters mailed to Santa Claus, Indiana.