Homeless ministries are preparing for higher costs and greater demand, while publishers and distributors relying on overseas shipping are also affected. Wheeler Mission in Indianapolis usually produces tens of thousands of Thanksgiving meals for the hungry. Their motto: “Fill plates with food and lives with the hope of Christ.” This year, they may run out of the former before everyone is served. Sam Brown, head chef at the Christian social services and homeless ministry, said he’s worried about having enough turkeys. From California to Chicago, there are nationwide reports of turkey shortages and massive price increases, both of which will…