A very interesting dimension to McCain's campaign is his use of the word hope. He does not ask people to hope but suggests that is all Obama offers. Using the slogan "don't hope for a better life, vote for it" he is saying he can deliver where Obama cannot. A clever tactic though perhaps a little too clever as it requires a bit of thought to work out its meaning at the end of a 1 minute commercial. But it is clear that McCain has been trying to undermine the change selling point Obama has established for himself - too little too late or will the voters have last minute nerves about electing an unknown and inexperienced politician to be president? That is the key question, polls may see Obama winning but there may well be some soul searching in the ballot boxes.