The Mississippi River, its tributaries swollen by snowmelt and stormwater, is rising toward a flood level that could equal or exceed anything in its recorded history. The threat to Cairo, Illinois — just above the confluence of the Mississippi and Ohio Rivers — is so grave that the US Army Corps of Engineers is about to blow up a levee just downstream at Bird’s Point, Missouri, to relieve the flooding in Cairo by deliberately inundating 140,000 acres of farms and towns. The emotional controversy that has arisen over this move obscures a real and rising threat to the economy of the United States. Continue reading