Moscow May 24. The Russian and U.S. Presidents, Vladimir Putin and George W. Bush, agreed today to launch a ``new energy dialogue'' that could reduce U.S. dependency on West Asian oil supplies and provide a major boost to the Russian economy. ``World economic growth depends on the stability and reliability of energy supplies,'' they said in a joint statement. Russia is ``one of the biggest world energy suppliers, and in order to increase international energy security and (market) stability, we have agreed to launch a bilateral energy dialogue,'' the statement said, as quoted by the Interfax news agency. Enhanced Russia-U.S....