issue in the presidential campaign than who can you trust. trust matters. who's going to look out for you? >> reporter: we're also learning this morning the president is going to be bringing out one of his biggest surrogates bill clinton on monday. they will hit three battleground states together. first real time in weeks or months they have been stumping together. they will be here in florida on monday as well as ohio and virginia. all three important to the president and mitt romney. interesting to note that the romney campaign has been firing back. look if this election is all about trust, what about e-mails dribbling out about what the white house knew about the terror attack in libya? so if trust is on the table both sides will get their licks in, martha. martha: we'll look at that with john mccain and bob corker a few minutes away. after a red-eye flight on air force one the president is wrapping up it has been a rapid campaign schedule. >> reporter: it is. i think it is very telling.