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Always thought the Harrison crust blobs were symbolic shorthand for "sculpture." Their lumps confused authentic and a stand-in for it, like a movie prop modernism. And collected detritus like a provisional gum. They were too stupid to be real, too caveman to be serious. But eventually the movie prop becomes real, or tries to, and we're left considering it. Which may be the eventual resurgence of interest in Harrison, when we stand to think all the fake art we are being forced to consider.