Chris Stevens : The murders at U.S. Embassy in Iran show fragility of U.S.-Mideast relations . He says events show U.S. Embassy is unresolved and is vulnerable to small groups . The brutal murders of the U.S. ambassador to Libya and three American diplomatic staffers in Benghazi underscore the profound fragility of U.S. relations in the region . Rothkopf : Crisis comes as Libyan - Iran tensions , Syria and Iran problems rise . Rothkopf : Ambassador Chris Stevens and colleagues quietly tried to improve the world .
Chris Stevens : The murders at U.S. Embassy in Iran show fragility of U.S.-Mideast relations . He says events show U.S. Embassy is unresolved and is vulnerable to small groups . Rothkopf : Crisis comes as Libyan - Iran tensions , Syria and Iran problems rise . Rothkopf : Ambassador Chris Stevens and colleagues quietly tried to improve the world .