In a lengthy academic paper , President Obama's regulatory czar, Cass Sunstein, argued the U.S. government should ban "conspiracy theorizing." Among the beliefs Sunstein would ban is advocating that the theory of global warming is a deliberate fraud. Sunstein also recommended the government send agents to infiltrate "extremists who supply conspiracy theories" to disrupt the efforts of the "extremists" to propagate their theories. In a 2008 Harvard law paper, "Conspiracy Theories," Sunstein and co-author Adrian Vermeule, a Harvard law professor, ask, "What can government do about conspiracy theories?" "We can readily imagine a series of possible responses. (1) Government might...