States across the South are the center of the upcoming, once-a-decade redistricting battle. The region is the fastest growing in the country and as a result will be adding an estimated half-a-dozen House seats. That population growth has also made it a political battleground as an influx from more liberal Northern states threatens Republicans’ control in the region. Finally, most Southern states will no longer need to run their redrawn legislative districts past the Justice Department to confirm they don’t discriminate against minorities. Civil rights group fear the loss of that safeguard could lead back to racial gerrymandering.