"Since the full-scale invasion of Ukraine in 2022, I have lost count of Putin’s evocations of Russia’s nuclear might. Because of their frequency, they sound hollow. I would also venture a guess: If Putin seriously decided to use even a tactical nuclear device, it may lead to what he so far avoided – opposition from his own ranks". I at EURACTIV. https://www.euractiv.com/opinion/putins-nuclear-blackmail-betrays-fear-and-insecurity/