(25 Oct 2022) President Joe Biden warned Russia Tuesday that any use of a tactical nuclear weapon would be "an incredibly serious mistake." He also said his White House is in "constant contact" with Russian authorities about the release of Brittney Griner. (Oct. 25) Subscribe for more Breaking News: http://smarturl.it/AssociatedPress Website: https://apnews.com Twitter: https://twitter.com/AP Facebook: https://facebook.com/APNews Instagram: https://www.instagram.com/APNews/ ​ You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/e2dd21ee78ca435da870e3e3a8336113