Robert C. O'Brien, the new national security advisor, faces a number of challenges, including the crisis with Iran and trying to serve a mercurial boss. President Donald Trump named Robert O'Brien, the US hostage negotiator, his new national security adviser on Wednesday. He was forced out in September. A top Iranian official has explicitly stated for the first time that Europe's window to uphold its commitments under the Iran nuclear deal has closed.

Mr. O’Brien will be Mr. Trump’s fourth national security adviser in less than three years, the most any president has had in a first term. Bolton, Trump’s third national security adviser, fell out of favor with the president after a series of sharp disagreements, including over North Korea and Iran policies. National Security Adviser Robert O'Brien On Iran For the latest on the confrontation between the U.S. and Iran, NPR's Steve Inskeep spoke with National Security Adviser Robert O'Brien at … Iran national security adviser says Europe missed chance to save nuclear deal.

The National Security Council was created at the start of the Cold War under the National Security Act of 1947 to coordinate defense, foreign affairs, international economic policy, and intelligence; this was part of a large reorganization that saw the creation of the Department of Defense and the Central Intelligence Agency. National Security Adviser Defends Briefing On Iran Criticized By Lawmakers Lawmakers say Trump administration officials have evaded questions about the president's ability to attack Iran… Trump’s previous national security adviser, H.R. Supreme National Security Council (SNSC; Persian: شورای عالی امنیت ملی ‎ Showrāye Āliye Amniyate Mellī) is the national security council of the Islamic Republic of Iran, the current secretary of the Supreme National Security Council of which is Rear Admiral Upper Half Ali Shamkhani.He was appointed to position of secretary by the president Hassan Rouhani On 10 September 2013. MOBILE VIEW. McMaster, never developed a personal rapport with the president, who tuned out on McMaster’s long-winded briefing style.