Does Endogenous Partisanship Distort Trump Approval Numbers among Republicans? (Part 3) January 22, 2020January 22, 2020 Alexander Agadjanian More here. Original post here, part 2 here. AdvertisementShare this:TwitterFacebookLike this:Like Loading... Related Does Endogenous Partisanship Distort Trump Approval Numbers among Republicans? (Part 3)