The Constitutional Accountability Center has filed an amicus curiae brief [pdf] on behalf of certiorari in the McDonald case. It spends a great deal of time looking into the history of the ratification of the 14th Amendment, emphasizing just what the the Privileges or Immunities clause was meant to protect.
The brief quotes Senator Jacob M. Howard, who was instrumental in drafting both the 13th and 14th Amendments. Howard’s testimony during the 39th Congressional Session (page 2765) is eloquent and clear and leaves absolutely no ambiguity as to the question of what should be incorporated by the Privileges and Immunities clause of the 14th Amendment.
The inquiry is, what are the privileges and immunities of citizens in the several States? We feel no hesitation in confining these expressions to those privileges and immunities which are in their nature fundamental, which belong of right to the citizens of all free Governments, and which have at all times been enjoyed by the citizens of the several States which compose this Union from the time of their becoming free, independent, and sovereign.
Continued...