Sales at General Motors Corp. are forecast to have fallenabout 14 percent in December from last year, according tothe latest analyst estimates compiled by Bloomberg News. AtFord Motor Co. the decline was probably 11 percent and atDaimlerChrysler AG's Chrysler unit the drop was probably12 percent. The drop in demand has forced carmakers toslash production, cut staff and eliminate some models in anattempt to reduce bloated stocks of unsold cars built upduring record demand earlier last year.