New York prosecutors on Friday returned two pieces of art they say were stolen by Nazis from a Jewish performer and collector murdered in the Holocaust. The artworks were surrendered by museums in Pittsburgh and Ohio, but prosecutors are still fighting in court to recover third artwork by the same artist, Austrian expressionist Egon Schiele, that was seized from a Chicago museum at the same time. On Friday in Manhattan, the estate of Holocaust victim Fritz Grunbaum accepted Portrait of a Man, which was surrendered by the Carnegie Museum of Art and Girl with Black Hair, surrendered by the Allen...