Iranians attend an annual rally at Azadi (Freedom) Square celebrating 42nd anniversary of Islamic Revolution, in Tehran, Iran, Wednesday, Feb. 10, 2021. Iranians Wednesday began a vehicle-only rallies in cities and towns across the country to mark the anniversary of its 1979 Islamic Revolution. The decision for replacing traditional rallies and demonstrations by vehicle-only move came as a measure to prevent spread of the coronavirus as the country struggles to stem the worst outbreak of the pandemic in the Middle East with death toll nearing 59,000 and some 1.48 million confirmed cases of the virus. The country on Tuesday launched a coronavirus inoculation campaign. (AP Photo/Ebrahim Noroozi)
Iran maintains a complex sphere of influence in the Middle East. AP

Biden takes a tougher, but incomplete line on Iran