we are live in hamburg at the g20 summit where president trump met today with russian president vladimir putin. one of the things people often ask me when i'm back in the states is what is the big deal about russia? why does it matter if people around the president have personal or business ties with moscow? well, consider this. many russian officials have close relationships with the intelligence services. it can be a pleasant russian official who shares your values who may turn out to be a wanted man, as kelly cobiella found out when she went to the last place on earth where we expected to find a story on russian influence. >> reporter: for decades, russia was seen as the enemy for freedom. in reagan's america they called