Biden and Putin exchange warnings during phone call amid rising Ukraine tensions – The Guardian

Biden and Putin exchange warnings during phone call amid rising Ukraine tensions  The GuardianBiden and Putin Hold High-Stakes Phone Call Amid Ukraine Tension  NBC NewsFive Things You Need to Know to Start Your Day  BloombergBiden and Putin hold call over Russia-Ukraine tensions. What the U.S has at stake.  NBC NewsBiden pushes Putin for Ukraine de-escalation in second call this month  CNN