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Now vladimir putin is fresh off his hosting gig at the g-20 summit. hes looking like potentially a peace maker. brian todd is taking a closer look at this russian leader. what are you seeing? >> the more we look at his efforts to make peace, the more youre hearing skepticism among top u.s. senator s on whether h will be hahn stz. his kgb code name was the great cardinal. can he be tested. john cornyn just a short time ago ticked off several reasons why he said we dont think they could be a diplo...