Donald Rumsfeld famously, or maybe infamously, once said, “[T]here are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns — the ones we don’t know we don’t know.”
MoreMy dad made a robot costume for me when I was in first grade. I waited until the last minute to make my choice known, leaving him precious little time to convert found paper rolls, cardboard boxes and tinfoil into a robot. Despite my dad’s industriousness, the costume had some engineering flaws.
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No Impact Man: The Adventures of a Guilty Liberal Who Attempts to Save the Planet, and the Discoveries He Makes About Himself and Our Way of Life in the Processby Colin BevanFarrar, Straus and Giroux; $25
Over the past decade, several eco-superheroes have emerged: Al Gore, Leonardo DiCaprio, Robert Redford, and Michael Pollan, among others. In
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