KFC Ditching Col. Sanders for Young Face?   After its grilled-chicken promo with Oprah got burned, KFC has decided to try out a new recipe: direct outreach to fans. In a campaign that launched yesterday, the fast-food chicken maker is searching for what it called the new face of Kentucky Fried Chicken. Sorry, Colonel: Your beaming, slightly irascible visage might just be scrapped for that of a real, live person. From now till July 7, you can upload a video of yourself to a KFC MySpac...