Republicans run a risky strategy for holding the House that rests on redrawn maps

[Metaphorical]

1. It is the fundamental problem with gerrymandering

Creating congressional districts is an optimization problem. If you have a population that is distributed more or less evenly between two parties, as Texas is, you can only make so many majority red or majority blue districts before you reach a point where you actually don't have enough votes to overcome the margin of error within other districts, making them more competitive. It is very likely, especially given the major growth in the last decade in the Southeast part of the state, that Texas may have reached that tipping point.