cooperate in a u.n. investigation, will the u.s. refuse to pressure israel to participate in a u.n. commission? >> we are not pressuring israel to participate in anything that it chooses not to participate in. we wouldn't have any role, if there were to be a u.n. investigation. nothing has been decided, to my knowledge, by the secretary general. nothing has been announced. so the only investigation that we're certain is imminent is the one that israel is constituting. we have every expectation that it will constitute a process that in the end we will all deem to be credible and impartial. i think that's what's required and we're looking forward to it. >> chris: let me ask you about that. does the south want to see an international role in an israeli investigation? >> we think that an international component would strengthen the investigation and certainly but the tress its -- butress -- we've had discussions