The US has ordered some staff at its embassy in Baghdad to leave while family or family members of US military personnel in the Middle East will also be allowed to depart. Statements announcing the decision did not cite any specific threat, but it came as President Trump cast doubt on progress in Iran, nuclear talks and with or with Tehran saying it would retaliate to any military attack. Stuart Livingston Wallace is Bloomberg's executive editor for MENA and Russia and joins us now.Stewart How serious is th ...