The power blackout a week ago in New York and other eastern cities left most of us feeling lucky to have our lights on. But there's that nagging question about whether such a thing could happen here. Several new tranmission lines are proposed for Minnesota and Wisconsin. Power companies say the new lines would help prevent regional breakdowns. But critics say it would be better to build small, local generators. Mainstreet Radio's Stephanie Hemphill reports. Once upon a time, every region of the country had its own power company. The local utility generated the electricity, and transmitted it from the power plant to its customers.