President Obama's special peace envoy, former Sen. George Mitchell, is just wrapping up his latest visit to the Middle East. It's his third trip since being appointed and this time in addition to Israel, the West Bank, and Egypt, included Saudi Arabia and North Africa (Morocco, Tunisia, and Algeria), with an emphasis on a comprehensive regional peace, building on the Arab Peace Initiative of 2002. (Mitchell has yet to visit Damascus or Beirut, something unlikely to take place until after… more