P&G’s Mr. Clean is set to launch two new products, Magic Eraser and AutoDry, backed by $50 million marketing campaigns, the largest launches from the brand in the past decade, according to executives. The Magic Eraser, an all-in-one sponge and cleaner combination, retails for $1 and debuts in September. It will be supported by newspaper coupons for six months, as well as TV and print ads that will break on Oct. 1. The Mr. Clean AutoDry wipes promise to clean cars thoroughly without wa...