The U.S. Supreme Court's website has posted a preliminary transcript of the oral arguments today in Arizona v. United States, Arizona's challenge to the federal government's assertion that its 2010 anti-illegal immigration law SB 1070 conflicts with federal immigration law.
Four provisions of SB 1070, which were blocked in July 2010 by a federal judge before it took effect, are at the heart of the federal preemption argument and will be weighed by the justices.
A decision isn't expected until June. But from early reports from the courthouse, and from the questions asked by the justices, it appears that Arizona stands a chance of prevailing, at least on some provisions. This line of questioning between Justices Sonia Sotomayor and Antonin Scalia and U.S. Solicitor General Donald Verrilli, who is representing the federal government, sets the tone: