Cecil B DeMille explains that oilmen competing fairly against each other defines American freedom. Uh huh. I think I remember reading that somewhere in DeTocqueville's Democracy in America.
I scanned this from a 1956 National Geographic which explains their mention at the bottom but it still doesn't explain what this cryptic message means: "Mention the National Geographic - It identifies you." Huh? What the hell? Do you mention National Geographic at the American Petroleum Institute and get a free barrel of crude oil? Any ideas?