 Organic farmers in Minnesota are finding themselves struggling with a new weed for the area. Wild parsnip is thriving from all the moisture this spring. Kenyon, Minnesota's Karen Torreson says the weed is proving difficult to remove with all the mud and moisture. We haven't been enormously affected directly by the flood. We have a piece that's probably about 15 to 20 acres that is basically a pasture or a hay field. And it has...