(NBC NEWS) CIA director John Brennan has warned Donald Trump that scrapping the nuclear deal with Iran would be "the height of folly" and "disastrous."
During a wide-ranging interview with the BBC that aired Wednesday, the outgoing U.S. spy chief also cautioned that Russia should not be trusted.
"First of all for one administration to tear up an agreement that a previous administration made would be unprecedented," Brennan said. "It would be the height of folly if the next administration were to tear up [the Iran] agreement."
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