One Of The Tate's Typically Atypical Christmas Trees"Shelving Unit Tree" Created By Richard Wilson, 1998. (All Photos Courtesy Of The Tate Library And Archive.)Every year since 1988 the Tate Archive and Library in London has commissioned an important contemporary artist to decorate a Christmas Tree for display in its grand rotunda. The avant-garde artists' outlandish takes on the traditional symbol of yuletide gaiety have frequently caused consternation, but this year's tree has sparked a scandal like never before."Blue Neon Light Tree," Created By Catherine Yass, 2000.Before revealing the source of this year's unprecedented uproar, a brief peek at the precedent...