Breaking the sound barrier—again Dec 8th 2005From The Economist print editionTransport: A new breed of supersonic business jets, without Concorde's drawbacks, could soon be taking to the skies IMAGINE being able to cross the Atlantic in less than three and a half hours. You could fly from London to New York for a meeting and still be home in time for dinner. It used to be possible, before the demise of Concorde, of course. But while Concorde has passed into history, the dream of supersonic travel is alive and well. Several firms are now racing to develop a new breed...