AP - Harmless comic characters or racist robots? The buzz over the summer blockbuster "Transformers: Revenge of the Fallen" only grew Wednesday as some said two jive-talking Chevy characters were racial caricatures. Skids and Mudflap, twin robots disguised as compact hatchbacks, constantly brawl and bicker in rap-inspired street slang. They're forced to acknowledge that they can't read. One has a gold tooth.More...