... they are going to roll up the Constitution as a piece of obsolete "sheepskin," (this is Mr. Beecher's tasteful and reverent epithet,) and return to first principles, why may not New York insist that New England shall take a dose of its own medicine? If the principle of human equality is to be rigorously carried out in the spirit of a doctrinaire, without regard to race or color, why not also without regar...