Back in December, after Texas Governor Abbott signed into law an immigration enforcement law, S.B. 4, Josh Blackman and I had dueling posts (Josh's here, mine here) on whether S.B. 4 was preempted by federal law under the Supreme Court's decision in Arizona v. United States (2012).
In light of that exchange, I thought I might point out that today, in United States v. Texas, Judge David Ezra preliminarily enjoined S.B. 4.
From the opinion:
