Mr. Calabresi is a professor at the Northwestern University School of Law.

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Stephen Presser, Raoul Berger (ph) Professor of Legal History at Northwestern University School of Law, wrote a letter to Congressman Delahunt disagreeing about censure, and saying that censure would not be constitutional.

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"As we see more advanced services like cell phones and mesh networks, states may want to pursue some of their traditional safety and social objectives, like 911, by regulating those entities, " says James Speta, an associate professor at Northwestern University School of Law.

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According to a 2004 study by the Center on Wrongful Convictions, at Northwestern University Law School, lying police and jailhouse informants are the leading cause of wrongful convictions in capital cases in the United States.

NEWYORKER: Trial by Fire