Iran does not trust U.S. promises on lifting sanctions and will only return to its commitments under a 2015 nuclear deal once Washington fully removes the measures, Iranian Supreme Leader Ayatollah Ali Khamenei said on Sunday. The administration of U.S. President Joe Biden is exploring ways to restore the 2015 nuclear deal that Iran signed with major world powers, but which was abandoned in 2018 by President Donald Trump, who reimposed sanctions. Iran retaliated by breaching the terms of the accord in a step-by-step response. The United States and the other Western powers that signed up to the 2015 deal appear to be at odds with Tehran over which side should return to the accord first, making it […]