Beneficial Finance Co. v. Massachusetts

relying on “well settled” common-law “principles,” which are “determinative” of crime of conspiracy | Superior Court in a criminal trial “has many powers not found in express language of statutes” | “the judge also might have been reluctant to call the attention of the jurors to possible sources of adverse publicity” | in absence of demonstrated prejudice, not reversible error to refuse to give requested instruction that jury not read newspapers or listen to radio or television accounts of the proceedings | development of new matter should be governed by ordinary relevancy standards