PARSIPPANY, N.J. — Ralcorp Holdings, Inc., which earlier this year launched a new marketing campaign for its Post Grape-Nuts cereal brand, now has announced a new campaign for its Post Original Shredded Wheat cereal. The campaign will focus on the brand’s simplicity, authenticity and longevity, and will feature 30-second and 60-second television spots, newspaper and magazine and print and banner advertisements that will drive people to The web site will feature a series of humorous webisodes featuring a fictitious chief executive officer of Post Shredded Wheat Co. who goes to great lengths to maintain the product exactly as it is.