duncan clark, thank you very much bejoining us from beijing.ecause asian markets have been given a boost by the news president xijinping has had a telephone conversation with president trump — raising hopes of a thawing in trade tensions between the world's biggest economies. 0ur asia business correspondent karishma vaswani has been looking into this for us. is this enough, just a telephone conversation, to send markets soaring? it would seem so, victoria, and these days, if you want to get some information for the direction of the relationship between the united states and china, then—president trump's twitter feed is where to go. in a tweet, that is how we found out. the us president said he had a very long and good conversation. he also said the conversation. he also said the conversation had a very heavy emphasis. those discussions are moving along nicely. at the 620 summit in argentina later this month. that is the big question, whether or not these two leaders will sit down, have a conversation about what to do, will beijing accommodate s