The opposition to a proposed rail expansion is opening a rift between urban and rural residents of southeastern Minnesota. Rochester officials hold their first public meeting tonight (TUESDAY) since a federal board gave their approval to the Dakota, Minnesota and Eastern Railroad expansion plan. Rochester has been a hub of opposition to the proposal since it was announced early this year. But now, city officials' insistance on moving the tracks to go around Rochester has angered rural residents, who say the tracks should run through the city as they have for more than a century. Mainstreet Radio's Art Hughes reports. When DM&E announced its ambitious redevelopment plan last spring, officials from Rochester and Olmsted County joined forces. Since then they've used their collective political resources against the railroad