(Editor's Note: This story has been updated to include information from Thursday's court hearing.) After two rounds of discussions, the Air Force has closed talks with all three bidders for the next-generation long-range radar and has requested final proposal revisions by Sept. 22, according to a new government document. After the Air Force awarded Raytheon a $71 million Three-Dimensional Expeditionary Long-Range Radar engineering and manufacturing development contract nearly a year ago, competitors Lockheed Martin and Northrop Grumman filed multiple...