Yes, folks, the MOVIE REVIEW of "The Proposal," opening this weekend and starring Sandra Bullock and Ryan Reynolds, includes a direct shot at Sarah Palin. --------------------------------------------------------- Grade: C- Who's In It: Sandra Bullock, Ryan Reynolds, Betty White, Mary Steenburgen, Craig T. Nelson, Denis O'Hare, Malin Akerman, Oscar Nunez The Basics: Sandra B is the high-powered book editor who gets reluctant best-selling authors on Oprah and who rules over her own kingdom with an iron fist. Ryan Reynolds is her resentful, beleaguered assistant. But when the Canadian-born lady-boss violates her work visa and is threatened with deportation, she forces her underling...