Driver's Seat: 2012 Mazda5 is peppy, fun, but not built for a crowd

frills." Reality: Fun to drive, well-packaged, and room for six. Well, six-ish. Zoom zoom, indeed: Ever since Mazda embraced its RX-7 and Miata heritage, it has become the darling of car nuts like myself. Even the last-generation MPV minivan sported...