TF is this
Biden administration considers adjusting rationale for U.S. nuclear arsenal
"Progressive lawmakers have been pushing for the United States to go even further and declare a “no first use” policy, under which United States would pledge not to use a nuclear weapon unless attacked with one first."
>>https://www.washingtonpost.com/national-security/biden-nuclear-weapons-strategy/2021/11/02/19686832-3be2-11ec-a67c-d7c2182dac83_story.html