Don Duplantier walks through his flooded home as water recedes from Hurricane Isaac in Braithwaite, La., Sunday, Sept. 2, 2012. In the foreground is a sign marking the waterline from Hurricane ... more 

Don Duplantier walks through his flooded home as water recedes from Hurricane Isaac in Braithwaite, La., Sunday, Sept. 2, 2012. In the foreground is a sign marking the waterline from Hurricane Katrina, but floodwater from Isaac went all the way up to the second floor. (AP Photo/Gerald Herbert) less