https://www.niskanencenter.org/the-metastasizing-crisis-executive-authority-and-the-crumbling-of-the-separation-of-powers/
As in 2019, so now: "it stands out to me as a particularly clear moment when the assault on immigration, driven by an ideology of racist nationalism, intersects with the crumbling of the separation of powers & the falling away of constraints on the presidency."