law, and the justice of the law, juries would be no protection to an accused person, even as to matters of fact; for, if the government can dictate to a jury any law whatever, in a criminal case, it can certainly dictate to them the laws of evidence. That is, it can dictate what evidence is admissible, and what inadmissible, and also what force or weight is to be given to the evidence admitted. And if the government can thus dictate to a jury the laws of evidence, it can not only make it necessary for them to convict on a partial exhibition of the evidence rightfully pertaining to the case, but it can even require them to convict on any evidence whatever that it pleases to offer them
