DARIEN, Conn. – Regis Saget’s dream as a young chef in France was to come to the United States to work. When he finally got the opportunity, the new chef at Scena Wine Bar & Restaurant in Darien jumped at the chance. “The brother of my best friend was a pastry chef in Greenwich at the time,’’ Saget said. “He said, ‘Would you like to go there to work?’ Three weeks later, his brother ...