Putin, in mentioning his nuclear weapons, is playing tit for tat with Biden.
Putin will back down when he believes Biden may launch nuclear weapons.
Henry Kissiinger knew how, and Repubs know how, to play tit for tat; Dems don’t.
Because if he didn't mention them, nobody would know he has them?
Have your heard the term, "Saber rattling"?
Nukes rattling.
Children,children put down your nuclear toys and play with your puppets