On the way home from work I stopped by the library to pick up a book I ordered last week, The Know-It-All: One Man's Humble Quest to Become the World's Smartest Person in the World , by A. J. Jacobs. It's about the author's quest to read the entire Encyclopedia Britannica. First, I feel compelled to say that if you're not taking advantage of the fact that you get to use your library membership to order books online and have them dropped off at your local branch, do it! Start doing it right away. I contend that this is the second most crucial use of my tax dollars, after paying firemen. A blurb by P. J. O'Rourke, found on the back of the book: " The Know-It-All is a terrific book. It's a lot shorter than the encyclopedia, and funnier, and you'll remember more of it. Plus, if it falls off the shelf onto your head, you'll live." [Hours later, about fifty-nine minutes of which I spent replying to my grandmother's email, the rest, I'm n...