By Michael Phillis and John Hanna | Associated Press ST. LOUIS — Early last week, floodwater in rural Minnesota pushed debris against a more than century-old dam and then carved a path around it, eroding so much of the riverbank that most of a house fell into the river. Several days later, intense rain damaged a dam that holds drinking water for Houston, forcing officials to issue a potential failure warning. “Something like this could happen, and it has happened, all over the country,” said Del Shannon... Читать дальше...