North Carolina Republicans are celebrating the preservation of their majorities in both General Assembly chambers. Their victory allows them next year to redraw state and congressional districts based on the 2020 census. Those districts could be in place for a decade. Republicans withstood a massive effort by Democrats inside the state and nationally to wrest control of the chambers. Republicans took back several seats they gave up in 2018. But Democratic Gov. Roy Cooper's reelection means he can keep using his veto stamp as a check on GOP legislative activities.