U.S. Secretary of State John Kerry says international negotiations over Iran's nuclear ambitions will continue, but the United States remains cautious. VOA'S Michael Bowman has details. Secretary Kerry appeared on NBC's Meet the Press program after talks in Geneva failed to yield an accord between Iran and the five permanent members of the Security Council plus Germany. _______________________ 美国国务卿约翰?克里称国际社会将会继续就伊朗的核诉求进行磋商,不过美国仍对此保持谨慎.美国之音迈克尔?鲍曼带来详尽报道. 克里国务卿在NBC的与媒体见面节目中露面,此前的日内瓦会谈并没有在伊朗和安理会五大常任理事国加德国之间取得一致. __________________________