but director robin keegan defends its record, saying it spent over $8 billion and helped 127,000 families>> the road home program was not to make people whole; it was to assist people in their recovery plan to help them reoccupy their homes. unfortunately, the state was not given enough resources to make everybody whole who was impacted by these storms. but we've made sure people can get as much money as possible through this program. >> reporter: the program did help many people return, and parts of the city, like the french quarter and uptown, are thriving today. according to a study by the university of new orleans, the city's population is at 78% pre-storm levels; 70% of the jobs have also returned. and the public school system is undergoing a complete transformation. but many challenges remain. there has been a 49% increase in rental rates, and nearly 65,000 vacant residential units are scattered all over the city. most of the neighborhoods that were underwater look like this one. they are a patchwork quilt of empty lots, new construction, and houses like this one that haven't been l