ABU DHABI, Nov. 11 -- Russia and Ukraine on Tuesday held their first US-mediated talks in nine months on ending their war, with US Secretary of State Marco Rubio calling the meeting "very productive" and Ukrainian President Volodymyr Zelensky saying the session was "constructive and quite substantive." Neither Rubio nor Zelensky attended the talks in Abu Dhabi. The session lasted four hours and another is scheduled for a second day Wednesday. Washington was represented by US President Donald Trump's son-in-law Jared Kushner and envoy Steve Witkoff. "There's a lot of work to be done...It's not like something that's on the verge of being solved in the next 24 hours..," Rubio said at the G7 meeting. P17...