Redistricting usually happens after the census count or in response to a court ruling. Texas' gerrymandering move and similar ones considered in other states may have far-reaching effects.

As Texas moves forward with an off-cycle redistricting to shore up Republicans’ narrow House majority, Gov. Gavin Newsom is plotting a Democratic response in California. But the state’s independent redistricting commission is a major obstacle.

Redistricting usually happens after census counts or in response to a court ruling. Now, Texas Republicans want to break that tradition — and other states could follow suit.