Hurricane Katrina
Nagin, 49, was first elected in 2002 on a platform of fighting government corruption, but he has since become better known for leading the recovery effort in New Orleans after 
. At the same time, he has come under criticism for certain remarks, such as asserting that New Orleans would remain a "chocolate city" with an African-American majority.
Nagin, Landrieu advance to runoff in New Orleans mayoral election