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>> we can say safely we have literally never seen something like this and we welcome it. we embrace it. we look forward to it. >> reporter: the pope has a habit of breaking away to approach people. pope francis does not stick to the script. >> the pope made it quite clear traveling the world that that's not what he does. for those of us wearing the security hats, it's a concern. >> he answers to a higher authority. >> reporter: they're saying there's no credible threat against the pope at this stage. reports suggesting the plot aspirational and the vatican saying today it expects the president...

>> this pope has made it clear as he's traveled around the world, that's not what he does. for those of us wearing the security hats, it's always a concern. >> he answers to a higher authority. >> that was nbc's keir simmons reporting. still to come, the countdown to the second republican presidential debate is on upon what to expect from tomorrow night's match-up. >> your cnbc market wrap, stock rally ahead of the fed two-day meeting. the dow jones jumps 228 points. the nasdaq gains 54. retail sales rose less than expected last month, climbing .2 of a percent. investors are watching economi...