Church & Dwight Inc., maker of Arm & Hammer baking soda, on Monday said its fourth-quarter earnings fell because of inventory charges associated with its purchase of new product lines such as Arrid antiperspirant.The consumer products maker also said it was aiming for annual earnings growth during the next three years of 12.5 to 15%. For 2002, most earnings growth will occur in the second half of the year. Costs from integrating recent acquisitions will hold down earnings growth in the...