The Food Channel on American television has gotten into the trend of hiring hot babes in sexy clothes to host cooking and dining shows, replacing the hulking, matronly types like Julia Child. We applaud this shift in food preparation. Presented for your own culinary pleasure is Texas housewife Diane Poppos, who we believe could be the next big thing on cable TV as the hostess of her own cooking program. Okay, we admit the chef's hat is a little corny. No one wears hats anymore. Who knows where this could take Diane? Books, food endorsements, supermarket and restaurant openings, TV specials, guest spots on David Letterman, Jay Leno, Anthony Bourdain...