(Russia Today: 0604 PT, May 10, 2011) The world's two economic giants have ended a first day of talks aimed at easing the strains in their relations. But there are still many areas in which China and the US are struggling to find common ground. Beijing says Washington is trying to stunt its economic growth; America hit back with criticism of China's human rights record. And, all the while, the threat of a growing arms race rumbles in the background. RT's Kristine Frazao has been following the difficult negotiations.