The festivities for “Holidays in the Hamlet of Hartwick” begin on Friday, December 6 at 4 p.m. with two holiday artisan fairs and a slate of activities at Hartwick’s Kinney Memorial Library, leading up to Santa’s 6 p.m. arrival at Town Hall. Among the highlights on Saturday, December 7 are a visit from Santa at Creek Side Station via trolley at 11 a.m., horse-drawn winter wagon rides, and voting for the Hartwick Historical Society’s gingerbread house entries.…