Unusable in international commerce. >> already it had lost 40% of its value because of previous treasury actions. why now? there's an election two weeks from now in iran this goes into effect july 1st. this is sending a very big signal. do you think we can influence iranian behavior? so far sanctions have not changed iran's commitment, only today the ayatollah said that they should make no concessions. the candidates in the election, only one candidate who matters, the nuclear negotiator, jalili. >> it's timing driven by ongoing effort to try to persuade the iranians to come to the negotiating...