We'll confess -- the Segway did a lot of damage to urban mobility as a whole, but General Motors (of all companies) might have just mended a wound we thought un-mendable. Unveiling today in Shanghai, the two-seater EN-V concept is a play on last year's altogether riveting (albeit forgotten) P.U.M.A., and yes, it seems as if some of those design cues have worked their way into this one as well. The Electric Networked-Vehicle was engineered to "alleviate concerns surrounding traffic congestion, parking availability, air quality and a