For four years, Ukraine and Iran have been enemies at one remove. Tehran armed Russia with Shahed drones from 2022 onward and later licensed their production to Moscow, and those drones have killed hundreds of Ukrainians.

Russia's partnership with Iran has become one of the most influential strategic partnerships in today's geopolitical lan...

If Ukraine is drawn into opening a new front in the U.S.-Iran conflict, the wars in Europe and the Middle East could merge into a broader regional war