A lunch that will live in infamy? That’s what at least one parent at elite Sidwell Friends (yes, Sasha and Malia’s school!) wondered upon seeing what the school cafeteria listed as its “Pearl Harbor Day” menu Wednesday: A heavily Japanese-inspired lineup, including teriyaki chicken and edamame (as well as more generically Asian delicacies like tofu, fried rice, fortune cookies and “oriental noodle salad”). A school rep told us this was just a fluke — not a meal intended to commemorate the 1941 Japanese attack on U.S. forces: The contractor that prepares school lunches randomly assigned an Asian menu to Dec....