Reuters: Levees held on the Mississippi River on Monday in the worst Midwest floods in 15 years as residents tackled a slow, smelly recovery from multibillion-dollar losses that may boost world food prices. Weakened levees along the Mississippi in the major farm states of Iowa, Illinois and Missouri remained intact as the key US waterway crested gradually in some areas and rose minimally in others. The US Army Corps of Engineers said water levels were largely stable and would likely remain …