Summer is the season for picnics and barbecues. This year, it's time for something different.<br><br> So swap out the coleslaw for Turkish eggplant salad, the dill pickles for Israeli pickled turnips, the Chex party mix for Indian snacks, the potato chips for chicharrones de puerco. <br><br>Long Island is home to scores of global groceries that make it easy to inject an exotic note into the menu.<br><br> Here are eight suggestions.