Quartet picks Blair as peace envoyTony Blair will be moving to Jerusalem to become the Quartet's special peace envoy to the Middle East.A statement released Wednesday by U.N. headquarters in New York confirmed Blair's appointment, which was reportedly agreed upon yesterday in Jerusalem at a meeting of the Quartet, the diplomatic grouping made up of the United States, Russia, the European Union and the United NationsBlair's new post will be based in Jerusalem, with a potential second office in the West Bank, and will be assisted by a team of experts.