Cynthia Littleton Business EditorLeah Newman, a former Harpo Entertainment executive and daughter of WME partner Robert Newman, died Nov. 24 in Los Angeles at the age of 33, two days after giving birth to a daughter.In an unbelievably tragic turn of events, Leah Newman died at Cedars-Sinai Medical Center, just two days after the birth of her first child, Beatrice Violet.