Fmr. US-Iran negotiator: Trump was 'scared there could be a Benghazi moment on his watch'

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Hillary Mann Leverett, a former U.S. negotiator with Iran, discusses what led Pres. Trump to take the "most extreme" option of ordering a strike that killed Gen. Qassem Soleimani. Leverett says the "final straw" was Pres. Trump was scared he would have a "Benghazi moment on his watch" after Iraqi protestors stormed the U.S. embassy in Baghdad