Poor Nigeria. The government there launched a major rebranding campaign back in March, attempting to improve its reputation for corruption and annoying email scams, but so far cooperation from outside the country has been hard to come by . Two of the latest obstacles? A Sony PlayStation commercial that made a crack about those aforementioned email scams, and the sci-fi movie “District 9,” which apparently portrays its Nigerian characters as “gangsters, cannibals, pimps and prostitutes.” Ouch.