NEW ORLEANS - Democrat Barack Obama said Sunday the country cannot fail New Orleans again and that as president, he would keep the city in mind every day. "The words never again cannot be another empty phrase," he said in front of one of the few rebuilt houses he saw on a brief tour of the city's Gentilly Woods section. "It cannot become another broken promise." Obama is the first of several presidential candidates from both parties who are set to visit New Orleans in connection with the second anniversary of Hurricane Katrina on Wednesday. President Bush also is expected...