Hearings continue today on the Minnesota portion of the proposed power line between Duluth and Wausau Wisconsin. Minnesota Public Radio's Stephanie Hemphill reports on last night's opening session. { The evening hearing started noisily. But once those crowd got into the hearing room, the discussion was detailed and wide-ranging. Technically, the question in this week's hearings is, should the short 12 mile section of the project in Minnesota be exempt from the normal environmental revuew? But opponents are discussing much broader questions about how we should power our lives. Speakers last night raisedf concerns about possible health effects of electromagnetic fields, more mercury in the environment, and lower property values. Northern Manitoba's Cross Lake Cree were represented by William Osborne. He said flooding from the massive hydroelectric power plants that the new line will allow to be sold in Wisconsin and throughout the midwest have destroyed his peoples way of life.