Shhh… Just this morning I was handed a plain cream-colored folder from “Code Switcher,” my informant at the shadowy U.N. agency known as Bilingualism Research and Tracking Systems (BRATS). When I opened the folder (and got a painful papercut in the process), I was stunned to discover that BRATS is now investigating a range of provocative—some would say, even potentially dangerous—research questions involving bilingual acquisition in the world’s children. After I temporarily excused myself to bandage the papercut, “Code Switcher”