Boy, today's Mason Dixon polls do nothing to dissuade the notion of a late-breaking shift back to the Republicans. As you know, I like to whack around pollsters like a pinata, but Mason-Dixon has a good reputation among political professionals - if they're not always right, they almost never give you a really wacky result. In 2004, they got 13 out of 14 swing states right at the presidential level (they put Bush up in Minnesota) and were pretty spot-on in their margin of victory. Today, M-D puts Brown beating DeWine by 6 in Ohio. (Who was writing last night...