In Florida, Gov. Ron DeSantis vetoed a map drawn by his fellow Republicans in the Legislature. In Ohio, Republicans closed in on a G.O.P.-friendly map for the midterm elections.
With the midterm election cycle fast approaching, Republicans in the key states of Florida and Ohio have made critical progress in their push to add to their dominance on congressional maps by carving new districts that would be easier for G.O.P. candidates to win.