When Volodymyr Zelensky said he was ready to negotiate with Vladimir Putin in order to end the war, it wasn't the first time Ukraine's leader announced his readiness to talk to Moscow. In fact, the two sides already tried to negotiate in the early days of the war.

The Kremlin has called on the United States to develop a policy on ending the ongoing conflict in Ukraine and to outline the role it will play in negotiations.

Russia appears to be "addicted" to military spending to keep its economy propped up, a think tank said this week.