A 6-year-old's extreme allergy is pitting concerns about the boy's safety against the right of his schoolmates to enjoy an American classic -- a peanut butter sandwich. A nationwide increase in peanut allergies is prompting a debate playing out in his small elementary school in Seymour and across the country. But while some school districts have decided to bar anyone from bringing peanut products to school, Seymour and others say such rules are unfair to the rest of the students. "I think more and more people are looking for protection from cradle to grave, and I really don't believe that's...