Fmr. Obama State Dept. spokesperson on U.S.-Iran tensions


Marie Harf, former State Department spokesperson during the Obama administration, joins Alex Witt to give her reaction to U.S. officials’ conclusion that Iran is “responsible” for the oil tanker attacks in the Gulf of Oman. Plus, Harf – who recently joined Rep. Seth Moulton’s 2020 campaign – explains how serious negotiations between both sides could lower tensions.