Aug. 12 (UPI) -- The U.S. Supreme Court is preparing to rehear a case that will have implications on the Voting Rights Act when its next term begins in October. The high court posted an order in the case Louisiana vs. Callais on Aug. 1, directing the parties involved to file supplemental briefs. The court heard arguments in the case in March but did not hand down a decision, setting the stage for reargument at a later date. Louisiana vs. Callais is a case over redistricting Louisiana's