important relationship and today president obama met the man who is in line to become china's president next year. xi jinping. he met him at the white house. mr. obama toldat china needs to play fair in world trade. vice president biden was blunt when he spoke about china's poor record on human rights which includes jailing political dissidents. >> we have been clear about our concern over the areas in which, from our perspective, conditions in china have deteriorated and about the plight of several very prominent individuals. >> reporter: through a translator, xi said china has made great progress on human rights in the last 30 years, though he admit there had's room for improvement. tomorrow xi will do something that every serious presidential candidate does in this country, he'll viz sit iowa. but wyatt andrews says in muscatine, xi just wants to catch up with old friends. >> reporter: it was 27 years ago when xi jinping led a six-manning a which you are delegation to muscatine, iowa. sitting on a bend of the mississippi, it has huge grain processing plant bus small town values. so sarah lande who organized the visit, put xi in the spare room of a fri