In this file photo released Jan. 16, 2021, by the Iranian Revolutionary Guard, a missile is launched in a drill in Iran. The Biden administration’s early efforts to resurrect the 2015 Iran nuclear deal are getting a chilly early response from Tehran. Though few expected a breakthrough in the first month of the new administration, Iran’s tough line suggests a difficult road ahead. Courtesy: Iranian Revolutionary Guard/Sepahnews via AP
In this file photo released Jan. 16, 2021, by the Iranian Revolutionary Guard, a missile is launched in a drill in Iran. The Biden administration’s early efforts to resurrect the 2015 Iran nuclear deaShow more

Khamenei says Iran may enrich uranium to 60 per cent purity if needed