- Biden and Putin set to hold call at critical moment of escalating tensions over UkraineCNN
- Biden Expected to Offer Warnings and Alternatives in Call With Putinnytimes.com
- US says it will send troops to eastern Europe if Russia invades UkraineThe Guardian
- Factbox: Ten points of tension between Putin and BidenReuters
- Putin expected to demand guarantee in Biden call that NATO won’t expand eastThe Washington Post