the u.s. is preparing for tomorrow s high-stakes talks with russia during what some officials are calling one of the most perilous moments in europe since the cold war. with tens of thousands of russian troops amassed on ukraine s border, the biden administration is threatening unprecedented sanctions on russia if they invade ukraine. in recent years, russia has faced allegations of attempting to reconstitute the soviet union with invasions of georgia, mall doeva, and ukraine. president putin is demanding that ukraine never be allowed to join the nato alliance, a position both washington and the head of the alliance see as unreasonable. putin is also asking for security guarantees and apart from the threat of sanctions, the biden administration is prepared to warn russia that if they attack ukraine, the u.s. will support ukrainian resistance fighters. and complicating things even further is russia s decision to send troops to neighboring kazakhstan in an attempt to quell deadly anti-go