Putin revises his nuclear doctrine, but have his red lines shifted? | CNN

CNN
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Russian President Vladimir Putin is fond of nuclear saber-rattling: On the eve of Russia’s full-scale invasion of Ukraine in February 2022, the Kremlin leader presided over the rehearsal of a nuclear strike, and his not-so-veiled nuclear threats have since kept US officials on edge.

This week, Putin once again rattled the arms-control world by revealing proposed changes to his country’s nuclear doctrine. In a meeting Wednesday of his Security Council, the president said Russia would revise the doctrine to potentially lower the bar for the use of nuclear weapons, adding that Moscow would regard an attack by a non-nuclear state that involved or was supported by a nuclear state as a “joint attack against the Russian Federation.”

Nuclear retaliation, Putin continued, could be considered “once we receive reliable information about a massive…