OSAKA - Japan's biggest slum is visible just blocks from bustling restaurants and shops in Osaka, the country's second-largest city. **r did it appear in the recent Osaka Asian film Festival, after the director of a new movie that is set in the area pulled it, accusing city organizers of censorship. Osaka officials asked Shingo Ota to remove scenes and lingo that identify the slum, on the grounds that it was insensitive to residents. This place is Kamagasaki, home to day laborers, the jobless and homeless, where one in three are on welfare.