IN BRIEF: The proposed fourth Congressional district will shift to cover more of Rockdale, more of Gwinnett, less of DeKalb and move into the western third of Newton County under the proposed Congressional district maps drawn after the 2010 Census in Georgia. Currently, the fourth Congressional district, represented by Rep. Hank Johnson (D), covers the top three-fourths of Rockdale County, most of DeKalb, a small piece of southern Gwinnett County. Rockdale County is covered in the bottom quarter by the third Congressional district, represented by Rep. Lynn Westmoreland (R), which stretches to