They evaluated readiness to use nuclear weapons in 50%: the United States was known about the Russian attack on Ukraine in 2021

Biden discussed twice with Putin intelligence data in December 2021. During the second, 50-minute "hot" conversation, Putin spoke about the risk of nuclear war. The Kremlin Intelligence Source reported plans to invade Ukraine in 2021. However, then the Pentagon evaluated the readiness of Russian President Vladimir Putin to use nuclear weapons by 50%. This is stated in the book by American journalist Bob Woodward War, which is quoted by CNN.

According to Woodward, the US intelligence learned about Putin's plans to invade Ukraine in October 2021. The operations had to use 175 thousand Russian military. The source of this information was the person involved in the US intelligence in the Kremlin. It is also reported that US President Joe Biden discussed twice with Putin's intelligence data in December 2021. During the second, 50-minute conversation, which Woodward calls "hot", Putin spoke of the risk of nuclear war.

Biden stated that it was "impossible to win. " The book also says that in October 2022 Pentagon Lloyd Austin called Russian Defense Minister Sergei Shoig. The US leadership was a concern for Russia's tactical nuclear weapons in Ukraine. They were estimated at 50%. The book also has a story of one of Trump's assistants who stated that he called Putin "probably seven times" since the end of the presidential term in 2021.