the man you see there is having quite an impact, not just here in the united states, but around the world, as people learn of his death. the passing, of course, of senator john mccain. he was known as a war hero. he was known as a foreign policy hawk. he has gained respect from so many people and we are hearing from them today. >> we are. he flew combat assignments during the vietnam war and he was shot down and he spent more than five terrible years in a hanoi prison of war camp. joining us is diplomatic international correspondent nic robertson. what are people around the world saying? >> thst things we are hearing today and the tributes thick and fast speaking on his honor and his dignity and speaking about what he had done for their countries, strong advocate for afghanistan. we have heard from the afghan president saying he was a friend of the afghan people and heard from the prime minister and leaders from another country