Giuliani added to allegations that Trump pressured foreign officials to investigate his potential 2020 Democratic opponent for his own political gain.
"There is a direct line you can draw from Trump's violation of the Iran deal and the risk of conflict today," one former US official told Insider.
Drones hit two key Saudi Aramco oil refineries, shutting down production on around 5% of the world's daily oil production and causing prices to surge.
Mike Pompeo was asked on Tuesday if he was "blindsided" by John Bolton's ouster. Pompeo smiled and responded, "Yeah, I'm never surprised."
President Donald Trump cited strong disagreements he had with National Security Adviser John Bolton's suggestions in announcing his dismissal.
Secretary of State Mike Pompeo says the Taliban "overreached" with their car bomb attack in a diplomatic area near the U.S. Embassy in Kabul.
"We support the United Kingdom's sovereign choice, however Brexit ultimately shakes out," Pompeo said.
When members of the US presidential administration travel, their trips require more than booking flights and hotels. See inside the "imperial bubble."
The Trump administration has rejected suggestions it's moving toward war after deploying military assets in response to unspecified threats.
Speaking to CBN in Jerusalem, Pompeo said Trump may be poised to defend against forces that want to "eradicate the Jewish people" in the Middle East.