Hundreds of miles of levees in the Midwest have been overwhelmed by the floods, leaving “Swiss cheese” infrastructure and reigniting a flood control debate.

"The levee situation has become so grave that the American Society of Civil Engineers gave the country’s levee system a D grade in 2017, suggesting $80 billion in investment over 10 years...

Hundreds of miles of levees in the Midwest have been overwhelmed by the floods, leaving “Swiss cheese” infrastructure and reigniting a flood control debate.

"The levee situation has become so grave that the American Society of Civil Engineers gave the country’s levee system a D grade in 2017, suggesting $80 billion in investment over 10 years...