Well, that's because President Trump upset the apple cart. On both sides. He exposed the corruption on both side of the aisle that we knew was happening but he verified it.
And I will also add that I definitely believe abortion should be legal. I don't have exact numbers but if i would have to guess, I would think it's an 80/20 split for Democrats. Definitely more Dems than Reps which is a good thing. Why would anybody want to change that.