(Reuters) - The U.N. General Assembly's overwhelming vote to recognize Palestine as a non-member state offers little prospect for greater clout in world politics but it could make a difference in the international courts. The formal recognition of statehood, even without full U.N. membership, could be enough for the Palestinians to achieve membership at the Hague-based International Criminal Court (ICC), where member states have the power to refer for investigation alleged war crimes or crimes against humanity. With its upgraded status at the U.N. ...