Ben Smith on Obama competing in more states and stretching McCain:
Obama can, for instance, run a real campaign in places like Texas and Arizona — states that an occasional poll suggests he could win but where few observers give him much of a shot. Then McCain has to decide whether to simply ignore it, and risk an upset; or to spend money on television and organization keeping up, money that then can’t be spent in Ohio.
A smart colleague pointed out to me yesterday that Obama will try to do to McCain what he did to Clinton in Pennsylvania: Even as he lost the state, he ruined her by forcing her to keep up with his massive spending
The Dish 