Iran blames 'U.S. bullying' for decision on nuclear deal

Iran said it plans to cease complying with portions of the nuclear deal it signed with Western powers in 2015, though it didn't withdraw from the agreement altogether. But the announcement increases already escalating tensions with the U.S. Nick Schifrin talks to Takht Ravanchi, Iran’s ambassador to the UN, about why Iran made the decision now and whether it can trust President Trump.