Anheuser-Busch broke a humorous network TV campaign Sept. 7 promoting its new beer freshness guarantee. Three new 30-second spots, themed ''Born on," feature Gus, the Bud delivery man, wrestling with dilemmas posed by the new ''Born on" date stamped on all Budweiser beer products. Two spots were created by DDB
Needham Worldwide, Chicago; a third is from Goodby
, Silverstein & Partners, San Francisco.