US prosecutors have returned two pieces of art they say were stolen by Nazis from a Jewish performer and collector who was murdered in the Holocaust. The artworks were surrendered by museums in Pittsburgh and Ohio, but prosecutors are still fighting in court in New York to recover third piece by the same artist, Austrian expressionist Egon Schiele, that was seized from a Chicago museum at the same time. Advertisement 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”,...