Who Wins the Re-Redistricted House?

As President Donald Trump's job approval sinks to or below 40% (depending on which poll you're looking at), betting markets and political conventional wisdom are that his Republican Party is not necessarily doomed to lose its narrow House majority, nor is it at serious risk of losing its Senate majority. This is partly because of court decisions affecting redistricting in major states, but it also owes something to fundamentals that a few observers have noted even before. One example is Henry Ol