(CNN) The Supreme Court sided with a family seeking the return of a painting confiscated by Nazis during the Holocaust in a case concerning whether a California law or a foreign country's law should apply in a key point in the litigation. The Supreme Court okayed the approach put forward by lawyers for the descendants of the Jewish Holocaust survivors, whose great grandmother was forced to give up the painting to the Nazis in 1939 before fleeing Germany, for how federal courts should decide whether to apply state or foreign law. Under the law in California, where the family brought...