By Nate Raymond (Reuters) – Liberal Justice Elena Kagan on Friday expressed hope that her colleagues on the conservative-dominated U.S. Supreme Court could get back to finding “common ground,” saying it risked looking political by continuing to overturn legal precedents. Speaking at an event at the University of Pennsylvania, Kagan did not explicitly reference the Supreme Court’s decision in June to overturn the landmark 1973 Roe v. Wade ruling that legalized abortion nationwide. But Kagan, who dissented from that decision powered by the court’s conservative majority, argued that judges and ju…