Crain's reported some surprising supermarket news this week that would have made the Montagues and Capulets proud; Walter D’Agostino, one heir to the grocery store, has signed on with arch-rival Gristedes! He says he just wants to help save an ailing business, but his brother, the current president of D'Agostino, icily referred to his flesh and blood as “a competitor" when he heard the news from a reporter. Gristedes owner John Catsimatidis expressed confidence in......