Consitutional law talk.

High school teacher Jim Cartnal, attorney Jonathan Libby, sitting, and attorney Guy Iversen, both of the Office of the Federal Public Defender, wait until students are seated before they spoke at La Canada High School on Thursday, February 2, 2012. Libby will argue in front of the Supreme Court of the United States on behalf of Mr. Xavier Alvarez a First Amendment free speech case on February 22. (Tim Berger/Staff Photographer)
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