"Sometimes the leak is so bad that even a plumber can't fix it." This was the concise summation of a cable political strategist the other day, after the third and final presidential debate. That sounds about right, and yet the race in its final days retains a feeling of dynamism. I think it is going to burst open or tighten, not just mosey along. (snip) But we have seen Mrs. Palin on the national stage for seven weeks now, and there is little sign that she has the tools, the equipment, the knowledge or the philosophical grounding one hopes for,...