For the third time this month, state leaders went to the U.S. Supreme Court Monday over voting rights issues that could have implications for future elections in North Carolina. Monday’s action — oral arguments in the early stages of a voter ID lawsuit — came on the heels of two separate issues related to redistricting. The arguments the justices heard Monday weren’t on the merits of North Carolina’s 2018 voter ID law itself, but rather on the more basic question of who should be allowed to defend that law in the lawsuit filed by the NAACP soon after it was passed. While seemingly minor, the j…