we need to have a constant dialogue communication so at the very least, misperception, miscalculation, misunderstanding. there some kind of understanding that this is going to now be the new summitlomacydiplomacy. just as they were the central decision-making points that would dominate world events and would keep the peace in the world? u.s./china summits are going to have to be the place that problems are solved in the world. >> let's go through specific challenges. first i want you to listen briefly here. listen to mr. obama's answer. >> i have been very candid with president hu about these issues.