On October 2, Matthew Kroenig was quoted in a Los Angeles Times article on Putin’s nuclear threats.
If Putin faces the imminent prospect of losing the war, he’s likely to use nuclear weapons before being defeated. This is probably the closest we’ve come to nuclear use since at least the 1980s.

Forward Defense leads the Atlantic Council’s US and global defense programming, developing actionable recommendations for the United States and its allies and partners to compete, innovate, and navigate the rapidly evolving character of warfare. Through its work on US defense policy and force design, the military applications of advanced technology, space security, strategic deterrence, and defense industrial revitalization, it informs the strategies, policies, and capabilities that the United States will need to deter, and, if necessary, prevail in major-power conflict.