As tensions ramp up at the Russia Ukraine border, western leaders continue to pursue a two-pronged approach to de-escalate- one is to increase military assistance to Ukraine and the second is to..
CNN's Jim Acosta talks to Putin critic Garry Kasparov, chairman of the Renew Democracy Initiative and former world chess champion, about rising tensions between Russia and Ukraine
The United States and NATO have formally rejected Russia's demands that NATO bans Ukraine and other former Soviet states from joining the alliance. CBS News foreign correspondent Holy Williams..
Concerns continue over a possible Russian invasion in Ukraine.
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