Since September 11, Tom Friedman has been almost unrecognizably good. Today’s column is a burst of clear-eyed sanity. Here’s a sentence that’s still ringing in my ears: “[I]f it is impossible anymore for Arab-Muslim leaders to distinguish between Palestinian resistance directed at military targets and tied to a specific peace proposal, and terrorism designed to kill kids, without regard to a peace plan or political alternatives, then over time no moral discourse will be possible between America and the Arabs.” There you have it. But will the Arabs understand this before it gets too late?