WaPo:

President Donald Trump’s push to redraw the congressional map has fueled a redistricting arms race, with blue and red states rushing to counter each other.

But it’s an uneven fight.

Republicans appear to hold the advantage in the nationwide scramble, according to strategists and nonpartisan analysts, with more opportunities to shift the lines in their favor ahead of the 2026 midterm elections. Democrats have vowed to “fight fire with fire” since the GOP moved to add five red seats in Texas, but they face many barriers.

Republicans are eyeing ways to add a dozen or more red House districts across Texas, Florida, Missouri, Ohio and Indiana, despite some legal hurdles and reservations from local Republicans. Democrats are looking to retaliate with five more blue seats in California, and they are exploring other options, including in Maryland and Illinois. They control fewer states than Republicans, however, and they have already maximized their power in others. In some cases, they would have to work around independent commissions set up to prevent gerrymandering.

“The Republicans are pretty likely to come out ahead — it’s just a question of how much they come out ahead,” said Kyle Kondik, an elections analyst for the nonpartisan site Sabato’s Crystal Ball.

Democrats say they are determined to blunt Trump’s push for more red seats, even if they cannot stop it. As Republicans defend a 219-212 House majority with four vacancies, even small shifts in the map could tip control of Congress in 2026…