Amy Sherman previews this weekend's Behind the Mitten radio show, which is all about great gift ideas from Northern MichiganAmy shares BTM's adventures on the Paul Miller Show on WPHM in Port Huron, which airs Behind the Mitten" at noon on Saturdays and 8 a.m. Sundays.Listen to Behind the Mitten this weekend on 22 radio affiliates across the state at amyandgonzo.com.