Each summer, Oklahomans find themselves celebrating weekends with backyard barbeques, and while the grilled meats may be the main attraction, a summer cookout is incomplete without the perfect summer salad.  Just as there are safety protocols for handling meat, there also are recommendations for the proper handling of produce. Food handling misconceptions are threatening to consumers, said Ravi Jadeja, food safety specialist for Oklahoma State University’s Robert M. Kerr Food and Agricultural Products Center. According…