Business: Some Secrets Are Out

Detroit's annual summer ritual—the sneak previews of next year's cars—got under way last week. As often happens, there was some grinding of the gears.

For months automen have kept their 1960 models, especially their new compact cars, under military-strict secrecy wraps. Typical of the carefully built suspense was a Chrysler document entitled "The Secret of Midland Avenue," describing how 200 tight-lipped engineers worked in "utter secrecy" for 13 months to develop the compact Valiant. But long before the public was scheduled to get details of the new cars—the editors, admen and dealers who...