Relying on United States v. Brewster to assert that the purpose of the Speech or Debate Clause served a different purpose in American law (to preserve legislative independence) than in English law (to preserve legislative supremacy).
Arguing that the rejection of Madison’s proposal evinces an intent that the clause be construed broadly.
Arguing for a relationship between First Amendment free speech and the Speech or Debate Clause with reference to the public pre-revolutionary understanding of parliamentary privilege.
Responding to Akhil Amar’s intratextual argument about the meanings of “speech” in the Speech or Debate Clause and the First Amendment and arguing that referencing one to inform the other could result in serious error.
Arguing that the Framers inserted the Speech or Debate Clause with the Crown’s history of limiting and censoring public debate in mind.
Quoting the essayist John Thomson, arguing in 1801 for citizen free speech coextensive with legislative privilege: “Free discussion, he insisted, is ‘an inherent rights, and of a nature not to be delegated; it must of course always continue with the people. It will also appear, that this right is guarantee’d to them by the Constitution of their Government.’” “’Why,’ Thomson demanded, ‘should they who are the servants or agents of the people . . . impose restrictions upon the thoughts, words, or writings of their sovereign?’”
Looking across clauses of the Constitution to determine the meaning of “speech” across the document and arguing that it means political, not commercial, speech.
Noting origins of state and federal Speech or Debate Clauses and concluding that prefatory or “purpose” language in state speech and debate clauses would not seem to justify negating the operative clause based on changed circumstances.
Contending that “[t]he Framers incorporated the Speech or Debate Clause into the Constitution to insure the independence of the congressional legislative mandate” and so the Clause provides for absolute immunity that was “confined to the legislative sphere.”
Noting the prominent sources for understanding the First Amendment, including the Speech or Debate Clause.
Arguing that the rejection of Madison’s proposal to more specifically define the legislative privilege evinces intent to allow the courts to define the scope of the Speech or Debate Clause.
Noting that the Speech or Debate Clause was modeled after The English Bill of Rights of 1689, which was a response to the Crown’s practice of using criminal and civil law to punish and intimidate legislators.
Discussing several instances in pre-American English history illustrating parliamentary attempts to define the scope of legislative privilege–a predecessor of the Speech or Debate Clause.
Citing the Massachusetts Declaration of Rights for the proposition that “[t]he freedom of deliberation, speech and debate, in either house of the legislature, is so essential to the rights of the people, that it cannot be the foundation of any accusation or prosecution, action or complaint, in any other court or place whatsoever.”