The reason I say that is because polarization in this country favors Republicans more than Democrats, at least when it comes to Congress. Republicans have something of an inherent advantage in both the House and Senate, and polarization helps reinforce those advantages these days.
Why? There are simply more red states and more red districts. Republicans took over the House and Senate in recent years largely because they knocked off some of the final hangers-on among Democrats in conservative-leaning places. It first happened in the South; then it spread to Appalachia and the Midwest. …
The 2016 election is a good example of this. Trump, as everyone knows, lost the popular vote by two full points, 48-46. But despite that loss, he actually won 230 out of 435 congressional districts, compared to 205 for Hillary Clinton, according to numbers compiled by Daily Kos Elections. And in the Senate, he won 30 out of 50 states.
So basically, 53 percent of House districts are Republican and 60 out of 100 senators hail from red states, according to the 2016 election results (in which the GOP, again, lost the popular vote).
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