There have been plenty of protests and public feedback, and even Minnesota's Department of Commerce has weighed in on Enbridge's Line 3 tar sands pipeline (they said a new one isn't needed and the old one should be decommissioned). But the Commerce department doesn't have the final say: the Public Utilities Commission does. So a group will gather Saturday on the shores of Gitchi Gammi (Lake Superior) for a rally and march to leave no question in the minds of the PUC where they stand on the issue