What diplomatic effort is underway between the U.S. and Russia regarding the war in Ukraine?

U.S. Secretary of State Marco Rubio recently met with American and Russian delegations in Riyadh to discuss potential negotiations to end the Ukraine war. According to Washington, both countries have agreed to form negotiation teams that will work on finding a path toward ending the conflict in Ukraine as soon as possible. This diplomatic initiative represents a significant step in international efforts to resolve the ongoing war, with both major powers committing to establish formal teams dedicated to negotiating a resolution.