5th District race heating up earlyGOP candidates are lining up for a shot at Burr's congressional seat For most voters, the names of Republicans considering running for the 5th Congressional District seat are familiar ones: Gray, Brunstetter, Robinson, Snyder, maybe even Hege. But after U.S. Rep. Richard Burr's announcement Monday that he won't run for re-election and will move toward a run for the U.S. Senate, what's striking is how many Republicans are sizing up the 2004 congressional race. They are setting the stage for a very competitive primary in a very Republican 5th District. "There are lots of people...