Assembled in minutes with the freshest of ingredients, this gorgeous salad is summer on a plate. Every summer, mostly in July, I visit the Hamptons, on Long Island, New York. The beaches are great, and there's always lots happening, but one of my very favorite things about this time of year there is all the wonderful produce. A zillion roadside farm stands sell local corn, tomatoes, summer squash, peaches, melons, fresh herbs, and on and on, and it is all nothing short of sen