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Story summary
- Russian President Vladimir Putin has shown cautious optimism that the U.S. peace plan could form a basis for negotiations.
- Analysts say he may seek a better deal, as emissaries signal a lack of urgency to compromise.
- Diplomatic efforts have included meetings in Geneva and Abu Dhabi, but skepticism about abandoning core demands persists.
- Ukrainian officials demand security guarantees and military support, doubting Russia's commitment to any agreement.
