For four long days last week Lord Beaverbrook, Britain's Cabinet member-in-charge-of-aviation, the U.S. State Department's Assistant Secretary Adolf Berle, and seven other U.S. and British aviation "experts" talked over a pink-blottered mahogany table in the lime green, fresco-ceilinged conference room of London's ancient Gwydyr House (where The Beaver keeps his office as Lord Privy Seal). On the fifth day, The Beaver issued a vague press statement. So plushily vague was the statement that the dignified New York Times' London Bureau Head Raymond Daniell let fly with a parody of the diplomatic double...