Some beefs on the griddle
Which is better, a hamburger cooked on a griddle or one broiled over a flame? The question sounds like a backyard debating topic for a summer afternoon. Yet business has been slow of late in the $35 billion fast-food industry, and last week the issue had burgerdom's three leviathans in a sizzle. Tempers flared when the Burger King Corp. of Miami, the nation's second largest fast-food restaurant chain (3,500 outlets, $2.3 billion in 1981 sales), launched a provocative $19 million network television ad blitz designed both to grab off a bite of the market from its larger...