School cafeterias just aren't what they used to be. Instead of sloppy joes or fish sticks, the star foods at the School Nutrition Association's annual national convention this week were chocolate-covered frozen bananas, whole-wheat pizza, and bottled hummus. The three-day convention drew thousands of cafeteria workers toPhiladelphia from around the nation. They were treated to a taste-test of the latest and tastiest foods from more than 400 vendors and exhibitors. To read The Philadelphia Inquirer article, click here.