kristin dahlgren, nbc news, washington. >>> dry desert winds are fanning the flames of a wildfire in arizona and is now headed to the new mexico border. a layer of thick smoke from the fire can be seen as far away as iowa as the blaze works its way across the state. now some 365 square miles in size, the flames have destroyed five buildinges and torched nearly 230,000 acres of forest. >>> and it is a much different story in the midwest where residents and crews are scrambling to save a southwes iowa town from the swollen missouri river. a levee has been breached in two places near the town of hamburg and officials are expecting new breaches in the coming days. officials say crews are working around the clock to construct a sectionary barrier. but if that doesn't work, portions of the community could be eight feet of water for weeks. >>> overseas, german health officials still don't know what's caused a deadly outbreak that so far has killed 23 people and sickened more than 2,300 officials. this morning, german officials are backtracking from blame thing an organic farm saying tests s