Redistricting: Last Week Tonight with John Oliver (HBO)

Supreme Court decisions have accelerated partisan gerrymandering that boosts Republican House seats while reducing black voter influence in Southern states.

• Redistricting necessity — Districts must adjust for population changes but exact line placement can decide election winners [03:28]

• Example outcome — Vertical lines let the larger party claim every seat despite holding only 60 percent of voters [03:45]

• Texas response — New map added five Republican-leaning districts after direct presidential request [06:22]

• Key ruling — Challengers must prove intentional racial discrimination to block maps under the Voting Rights Act [11:42]

• Tennessee split — Memphis divided into three long districts that extend into rural areas [15:17]

• Projected seats — Republicans could gain between three and twelve additional House seats before midterms [19:47]

• What is the nuclear option proposed for redistricting in Illinois?

• How many majority black districts remain in Louisiana after the new maps?