News roundup: Corporate Boulevard office building hits the market for $5.8M … Ochsner opens medical complex in LaPlace … Landrieu, Democrats launch new group aimed at Republican strongholds

On the market: Stonetrust Commercial Insurance Co. has put its offices at 5615 Corporate Blvd.—also home to CVS, the National Audubon Society and others—on the market less than four years after ac…