April 15 (UPI) -- U.S. special envoy Steve Witkoff said he was confident a deal with Russia to secure a permanent peace was "emerging" because he had managed to pin down President Vladimir Putin on what his demands were in their latest round of negotiations. Speaking to Fox News on Monday night, three days after holding five hours of talks with Putin in Moscow -- their third encounter in two months -- Witkoff said it was only as their meeting was coming to a close that "we actually came up with