Star Tribune: Fifteen years ago, the owner of the Prairie Island nuclear plant in Red Wing was in the fight of its life to continue producing electricity there. The company’s request to expand its radioactive waste storage dominated the Legislature for months. Today Xcel Energy is well on its way toward receiving a 20-year extension of Prairie Island’s license, and some legislators want to open the state to more nuclear power. After years of exile, nuclear plants are back on drawing boards …