FactCheck.org tackles SB 1070:
We’ll leave it to others to decide whether Arizona’s new immigration law is a good thing or a bad thing — but here we try to straighten out some of the confusing factual claims. First, a quick summary. Contrary to what the law’s defenders often say, the new statute does more than merely mirror federal law.
They also debunk an e-mail sent by state Sen. Sylvia Allen, which is kind of like shooting fish in a barrel.