Might Vladimir Putin use a nuclear weapon? The calculations are changing

Since the early days of Russia's invasion of Ukraine, President Vladimir Putin and other Kremlin politicians have been warning the West to stay out of the conflict or else risk Russia's nuclear wrath. But the calculations over Russia's red lines may be changing.

source https://www.cbc.ca/news/world/russia-ukraine-war-nuclear-weapon-threat-1.6492133?cmp=rss