See the pages following the Arts section for extra coverage of news and trends in the world of commerce
--America's Top Toque Napa Valley's Thomas Keller is opening new eateries in Manhattan and Las Vegas. He can cook, but can he run a growing business?
--Defining High Tech Columnist Eric Roston explores the question, What is technology anyway?
--A New Kind of Spa Want a face peel? A Botox shot? Check out your local spa. A certified doctor may now be on staff
--The Next Investment If you like to know exactly where your money is going, a...