US Ambassador to the UN Nikki Haley listens during a UN Security Council meeting at the United Nations Headquarters in New York, on April 14, 2018. The UN Security Council on Saturday opened a meeting at Russia's request to discuss military strikes carried out by the United States, France and Britain on Syria in response to a suspected chemical weapons attack. (Photo: Hector Retamal / AFP / Getty Images) As foreign policy experts denounced the missile strikes ordered by President Donald Trump