Marc Thiessen demands Iranian leaders be slain if they refuse to capitulate. On Thursday, the mentally compromised president of the United States reposted Marc Thiessen’s suggestion for ending the war with Iran. “If there are two factions in Iran, one that wants a deal and one that doesn’t, let’s kill the ones who don’t want …Marc Thiessen demands Iranian leaders be slain if they refuse to capitulate. On Thursday, the mentally compromised president of the United States reposted Marc Thiessen’s suggestion for ending the war with Iran. “If there are two factions in Iran, one that wants a deal and one that doesn’t, let’s kill the ones who don’t want …