By MAE ANDERSON NEW YORK (AP) — The Perfect Pigg, a gift shop owned by Ginger Pigg, is the go-to place for residents of Cumming, Georgia, to pick up gift items like kids toys and home goods. But this year, store shelves might be a little sparse. Because of bottlenecks in the global supply chain, many stores like Pigg’s are scrambling to try to get all the inventory they can ahead of the crucial holiday