WILLMAR — The Minnesota 7th Congressional District Democratic-Farmer-Labor Party endorsed Erik Osberg for the U.S. House of Representatives. The district convention was conducted on Saturday in Granite Falls. The endorsement was announced in a social media post by DFL Party chair Richard Carlbom. A post on the Erik Osberg for Congress page on Facebook said Osberg was “humbled and honored by the support. Our task now becomes uniting western Minne…