It’s not far-fetched to believe the pollsters are underestimating GOP strength YET AGAIN.
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I think you’re right about that. All of the pools seem to oversample Dems.
A lot of voters are VERY unhappy with the direction of the country and will likely turn out for Republicans.
I’m guessing that the cheaters were concentrating strictly on Trump. It seems logical that the Dumbs would let the GOP win many seats in the House in order to buy their complacency with Trump’s loss.