Friday reading for the rest of the week.

Open any business book or conference keynote and the odds are high you'll meet Sun Tzu within the first few pages. He is quoted more than he is read, and read more than he is understood — conveniently vague, flattering to the quoter, and written for a world that is not yours. This opens Better Sources: a short series on the strategists who actually earn their keep, starting with Clausewitz, who owns the single most useful idea in all of strategic writing. Cargo-cult strategy