LAKE BUENA VISTA, Fla. --Does a fork or dinner knife pose an unacceptable danger to President Barack Obama? One wouldn’t think so, given the hundreds of lunches and dinners he’s attended ranging from state dinners to political fundraisers to run-of-the-mill stops on the rubber-chicken circuit. However, at one such lunch Friday afternoon, guests heard an unusual announcement that they needed to hand over their silverware for security reasons. “It’s very important that you use your utensils as soon as possible,” National Association of Latino Elected and Appointed Officials board member Raquel Regalado told about 1000 delegates at the group’s annual...