Dangerous decision from Trump - Threat to Iran nuclear deal

His decision to defy US allies is a triumph of brawn over brain. It also represents a major shift in American foreign policy and undermines one of Barak Obama’s major achievements when in office.
Even though the chief of the UN’s atomic watchdog reiterated that Iran was under the world’s “most robust nuclear verification regime”, Trump has left it to the US Congress the decision whether or not to reimpose sanctions on Iran.