Bruce Millington, beer coordinator at the Wegmans liquor store in Cherry Hill, wonders how customers who are unprepared for New Jersey’s statewide ban on single use plastic bags will manage while juggling heavy, loose bottles of wine out to their cars. As of Wednesday, cashiers at the store will no longer be bagging bottles for them, though they might supply empty boxes when available. All New Jersey retail, grocery, and pharmacy stores, along with restaurants and other food service businesses, are banned from giving out single-use plastic bags, as well as foam containers, though there are som…