Originally Posted By: pdx rick
Erik Prince, the Blackwater-founder-turned-unofficial-2016-Trump-campaign-adviser, advocated to the campaign years ago for the killing of Iranian commander Qasem Soleimani, according to a recently disclosed memo that reveals some of the earliest thinking circulated within Donald Trumps team regarding his approach to Iran..."

- CNN.com

(shrug) Erik Prince isn't much of an advisor, since no one seems willing to give him what he keeps asking for (management of a war somewhere).

That being said, the person I'm aware of who was a senior advisor who probably had A) the most credibility here and B) was one of the hardest voices in the room for pushing back against Iran in a manner like this was Secretary of Defense Mattis, back before he resigned.