By Joseph Ax

(Reuters) -A Republican plan to redraw congressional lines in Texas at U.S. President Donald Trump’s urging threatens to launch an all-out national redistricting war, with both Republican and Democratic states considering whether to redraw their own maps.

The outcome could determine whether Republicans maintain control of the U.S. House of Representatives in the November 2026 midterm elections. Republicans currently hold a narrow 219-212 majority, with four vacancies.

While redistricting must occur every 10 years to incorporate U.S. Census data, redrawing maps in the middle of the decade has historically been exceedingly rare. Republicans, who control more state governments than Democrats, appear poised to pick up a half-dozen seats or more.

The practice of gerrymandering

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