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It is so subtle I've never quite grasped it. 'Endowing machines with common sense and deep understanding' in the obvious way was tried for 50 years (it's the obvious thing to try first) and didn't work. What's different about your proposal now? (ps. I'll read the book...)
And yes, i think did requires a book-length essay for us to assess limits of extant approaches and to diagnose why previous commonsense approaches have failed.
