Fmr. DOE official on US-Iran mtg: 'There’s always benefit to engagement'

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Neither the U.S. nor Iran have demonstrated that they are “connecting in good faith,” according to Corey Hinderstein, a former Department of Energy official who was responsible for implementing policies related to the Iran Nuclear Deal. Hinderstein explains to Ali Velshi what the White House needs to do if it’s serious about engaging with Iran.