i think this is our sixth conversation since the weekend. and it's -- it's been a great working relationship. >> reporter: in such a tight race, romney couldn't afford to lose another day on the campaign trail. he was in florida, a state that is essentially a must win for him. romney set aside his usual attacks and struck a more subdued optimistic tone. >> this is a turning point in american history. >> reporter: his only fleeting reference to the president -- >> it is time to take a new path of bold, aggressive change. >> reporter: it's back to politics for president obama. he'll make stops in wisconsin, nevada and colorado. karen travers, abc news, washington. >> by all measures this is still a tied race, that is still going to come down to a few key swing states. most notably, ohio. according to a quinnipiac/"the new york times" poll that we got yesterday, halloween, obama is up by five points, 50-45 over