“If the (North Carolina legislators’) position in this case had prevailed, it would have meant that the Legislature in Wisconsin could have done congressional redistricting any way it wanted, without the Wisconsin Supreme Court being able to engage in any review of that based on the state constitution,” said Rob Yablon, a professor and co-director of the State Democracy Research Initiative at the University of Wisconsin Law School. “Now the door remains open, as it has been, to the state court making sure that whatever the state Legislature does is state constitutionally compliant.”