US bargains over Iran’s unrest

The US has voiced willingness to end support for Iran’s protest movement if Tehran stops selling drones to Moscow and makes concessions on its nuclear program.
There is a long history of western powers fuelling public unrest in Iran, even pre-dating the establishment of the Islamic Republic. But what makes the on-going protests since mid-September unique is that Washington is also signalling interest in reaching an accommodation with Tehran under certain conditions.