NEW YORK (Reuters) -A U.S. appeals court on Thursday refused to reinstate a lawsuit by Amy Cooper, the white woman who became known as "Central Park Karen" after calling police on a Black bird-watcher, against the employer that fired her following the encounter. In a 3-0 decision, the 2nd U.S. Circuit Court of Appeals in Manhattan said Cooper did not prove that Franklin Templeton illegally dismissed her on the basis of race or defamed her by branding her a racist. Cooper had been an insurance po