When I wrote about Jimmy Carter's antics recently, some suggested I should quit wasting my time discussing someone so irrelevant. Well, I'd be happy to comply, except that their assumption is incorrect. What this misguided and increasingly bitter man says, especially on foreign soil, does matter. Don't forget that the Democratic Party leadership embraces Carter, as witnessed by his prominent role in the party's national convention, where he called President Bush -- in no uncertain terms -- a liar. Remember that when you're tempted to think of Carter as just a benign senior statesman. I'll concede Carter has done some...