Turns out Eric Schmidt is not alone in his vehement opposition to the PROTECT IP Act, and the resistance is hardly partisan. A group of over 100 law professors signed a letter (jointly authored by Mark Lemley, David Levine, and David Post) arguing that the legislation working its way through congress is unconstitutional. The Supreme Court has previously ruled that speech can't be suppressed without the speaker being given an opportunity to defend his or her actions. Yet, under the bill being advocated for by