By Steven BrillLetter From the EditorsBackstage at Johnson & JohnsonOn May 20, about 100 stock analysts gathered in the ballroom of the Hyatt Regency Hotel in New Brunswick, New Jersey, to hear good news from top executives at Johnson & Johnson: The company had 10 new drugs in the pipeline that might achieve more than a billion dollars in annual sales. For 129 years, New Brunswick has served as th