the president's campaign for re-election in 2012 begins to kick into a higher gear. president obama enjoyed a much needed boost in his personal approval ratings following the death of osama bin laden on may 1st. but according to the latest gallup poll, his approval ratings have now dropped back down to 46%. that's where they were prior to the bin laden raid. right around the lowest levels of his presidency. being tough on terror might be a good strategy for winning over some american voters, but it took us ten years to find bin laden. and what if there's another attack between now and the 2012 election? that brings us to the question, which is this -- would a terror attack on the united states make you more or less likely to vote to re-elect president obama? go to cnn.com/caffertyfile and post a comment on my blog. wolf? >> jack, thank you. today is the day the treasury department here in washington has been warning would come. the u.s. hit the debt limit set by congress, freezing the government's power to borrow