Input:
U.S. and Russian officials held diplomatic talks in Saudi Arabia without any Ukrainian officials present on Tuesday. The groups, led by Secretary of State Marco Rubio and his Russian counterpart, Foreign Minister Sergey Lavrov, are seeking terms for a peace agreement in Ukraine as well as negotiating a potential meeting between President Donald Trump and Russian President Vladimir Putin. They have proposed a framework that could involve a ceasefire, elections in Ukraine followed by the signing of a peace agreement. State Department spokeswoman Tammy Bruce also confirmed that Rubio's team agreed to "lay the groundwork for cooperation" with Russia on various issues in addition to Ukraine. They also agreed to appoint "high-level teams" to begin working on a path to ending the conflict in Ukraine.
What evidence supports the claim that Secretary of State Marco Rubio was leading these diplomatic talks? Is there any record of a recent meeting between Donald Trump and Vladimir Putin that would suggest a negotiation of this nature is plausible? How reliable is the source of this information, and what are its potential biases regarding U.S.-Russia relations? What official statements or documents confirm the details of the proposed peace agreement mentioned in the text?