Kraft recalls 6.5 million boxes of potentially metal-contaminated Macaroni & Cheese

'Consumers who purchased this product should not eat it.' Kraft Foods is already notorious as the brand behind Cool Whip, Cheez Whiz, and a peculiar variety of avocado-free guacamole, but here's another good reason to avoid its products: metal contamination. This week, 242,000 cases of Kraft …