Emerald City residents may have been disappointed to discover their wizard was just a man behind a curtain, but local folks are happy to know the man controlling the happenings at the Good Samaritan Food and Furniture Ministry. And they’ll be sad to see him go. For the last 10 years, the Rev. Mike Walston has been calling the shots of the food pantry at the Chattahoochee Baptist Association in Gainesville, but on Tuesday, he’ll prepare for his final distribution.