In canceling publication of O.J. Simpson’s “If I Did It,” Rupert Murdoch created something of a waste-management dilemma. “Now, HarperCollins has nearly half a million books to destroy. If the books weigh about a pound each, that comes out to 200 tons of paper. I have one word for the publisher: compost. … So, here’s the plan: Give out one copy apiece of If I Did It to individual organic gardeners, and get them to sign a pledge not to read the book or sell it on eBay.”