Russian President Vladimir Putin held more than three hours of "highly useful" talks on Saturday with two U.S. envoys seeking a deal to end the Ukraine war, a Kremlin aide said, but he gave no indication of any breakthrough.The aide, Yuri Ushakov, said Americans Steve Witkoff and Jared Kushner "outlined a number of ideas regarding possible avenues for a settlement". Ushakov did not say what these ideas were.He said Putin had told the pair that Russia was making "real progress" on the battlefie...