Potato latkes, gefilte fish, cheesecake, salami, and matza abounded in the Jacob Javits Convention Center this week, as more than 275 exhibitors took their wares to the 15th annual Kosherfest food fair. Held here this year after 12 years in New Jersey, the world's largest kosher food show featured Gimme Jimmy's handmade kosher cookies, high-resolution lollipops with scenes from the Bible by Lightvision Confections, and even kosher cat food. Jackie Mason stopped by to pitch his non-dairy, cholesterol-free cheesecake in plain, chocolate, marble, cherry, strawberry, and pineapple, and Minister of Industry, Trade, and Labor Ehud Olmert tasted a variety of...