US envoys will meet with Putin in Moscow and Zelensky in Dublin after talks in Abu Dhabi According to special envoy Steve Witkoff, the negotiations will focus on "security agreements, de-escalation" and humanitarian issues. But analysts do not expect significant progress until the spring, when Moscow assesses the results of its winter bombing campaign on heating, electricity and water infrastructure in Ukrainian cities as the cold sets in. Ukraine attacks refineries to weaken Russia's oil-dependent economy.