breached a part of the leavee there and punched holes in it, think of a cereal bowl holding water and they punch the holes and the water is able to drain back out into the mississippi river and braithwaite only 20 miles up the mighty miss from where we are now and the water levels are finally going down there, martha. >> martha: boy, casey, your heart goes out to those people, water up to the first floor of their homes. >> reporter: yes. >> martha: and it is a horrific mess to work through, casey, thank you very much. talk to you later. >> we wondered about the damage and initial estimates out on how much damage isaac caused, the cost between 1.5 and $2 billion in insured losses, compared to hurricane katrina's $41 billion price tag. mississip mississippi, louisiana, alabama the three states affected. placquemines parish, appears to have sustained the worst flooding, in the low, low point