On a rainy afternoon two days before Thanksgiving, Dawn Haynes was driving when she spotted the family of five sitting on the steps of Gospel Baptist Church. Three adults and two children were huddled under an awning, clutching luggage and looking lost. Mystified, she stopped her car. They told her they were former New Orleanians and that the family had been evicted from its northwest Houston apartment after losing federal housing assistance. Haynes was shocked. ''I haven't thought about the people from Hurricane Katrina being homeless before, until I came across this family," said Haynes, who lives in Acres Homes...