The Supreme Court is about to take up one of this term's biggest cases. Next Wednesday, the court will hear arguments challenging Arizona's controversial state immigration law, known as SB 1070.
Among other things, the law makes it a state crime to be in the country illegally and requires police to question the immigration status of people they stop. Lower courts blocked parts of the law when it was passed nearly two years ago.
But in that time, things in Arizona have been changing.