Ex-U.S. Ambassador to USSR: Ukraine Crisis Stems Directly from Post-Cold War Push to Expand NATO
U.S. officials are accusing Russia of sending more forces to the Ukrainian border just days after Moscow announced it was pulling some troops back. This comes as Ukrainian authorities and Russian-backed separatists are both accusing the other side of violating a ceasefire in the eastern Donbas region of Ukraine. For more on the history behind the present crisis in Ukraine, we speak with one of the last U.S.