Source: Paul Murphy and Mike Perlstein / WWL-TV / USA Today NEW ORLEANS — Former mayor Ray Nagin, the businessman-turned-politician who became the worldwide face of the city after Hurricane Katrina, was sentenced to 10 years in prison Wednesday. Nagin, 58, was ordered to report to federal prison Sept. 8 and to pay restitution of $82,000. He was found guilty Feb. 12 …