It's 2010. Where the heck are the flying cars?  Apparently, they're right around the corner. "Back to the Future fanatics, rejoice: A Massachusetts-based aircraft manufacturer is getting ready to sell a flying car," writes TheStreet.com. MSNBC reports, "The Terrafugia, a small airplane that can drive on roads and has been billed as the first 'flying car,' is now one step closer to becoming street- and sky-legal."  The Terrafugia glided over ...

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