Just how effective have Western sanctions been against Iran — and for that matter, Russia? The US has spearheaded efforts to deny both countries access to Western technology, especially that with dual-use capabilities for military purposes. In the case of Iran, those sanctions and trade restrictions go back decades.And according to an exclusive from the Wall Street Journal today, they appear significantly ineffective. Ukrainian and Western experts have begun looking at the remains of Iranian drones that targeted infrastructure in the Russian invasion, and a lot of the parts come from Western supply chains:New intelligence collected from downed Iranian drones...