The much-anticipated sequel to “The Devil Wears Prada" has run into controversy just before its release, with debate erupting over possible racial insensitivity toward Asian characters. “The Devil Wears Prada 2” premiered in South Korea on April 29, marking its first release anywhere in the world. The film had already generated strong buzz ahead of its debut, fueled by its return nearly two decades after the original, the reunion of its main cas…