When poked and prodded hard enough, an automaker occasionally lets some information squeak out without intentions to do so. Luckily, we almost immediately get wind of any slip-up and bring it directly to you. Case in point: CNN Money writer Peter Valdes-Dapena spoke with Nissan spokesman Steve Oldham. Among other things, the discussion focused on production numbers for the Leaf. As expected, Oldham's responses were scarce on details, but he may have inadvertently let some specifics fly.