NEW YORK — Robert De Niro looked on Wednesday as a lawyer for a woman who worked for him for over a decade urged a jury in closing arguments to award her millions of dollars for emotional distress and reputational harm because the actor discriminated and retaliated against her.Attorney Brent Hannafan argued on Graham Chase Robinson’s behalf in Manhattan federal court after De Niro’s lawyer, Richard Schoenstein, told jurors Robinson was a disloyal employee who stole $85,000 worth of airline miles and owes …