“The primary purposes of the political pamphlets of the early 1700s were neither to enlighten nor educate the masses, but to incite partisan conversation and spread commensurate ideas . . . Facts were not permitted to fetter the views they espoused, and the restraints of objective journalistic credibility were discarded by pamphleteers bent on promoting subjective slant to an insatiable general public for whom political dissonance was an integral part of social interaction.”