Putin implies nuclear attack if West interferes in Ukraine Why it s not just an empty threat cbc.ca - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cbc.ca Daily Mail and Mail on Sunday newspapers.
As diplomatic options for averting war in Ukraine appeared to narrow, the White House said President Joe Biden and Russian President Vladimir Putin would discuss the crisis by phone on Saturday.
But despite soaring tension and so-far fruitless diplomacy, one American in Ukraine tells CBS News he's not running scared, and nor are the Ukrainian people.