Guest columnists Antonio G. Sepulveda, Henrique Rangel, and Igor De Lazari comment on a recent decision by the U.S. Supreme Court that a New York law prohibiting merchants from imposing a surcharge for payment by credit card constitutes a regulation of speech, and they compare the Court’s treatment of the law as regulating speech with Brazil’s historic treatment of similar laws in that country as protecting consumers.

Guest columnists Igor De Lazari, Antonio Sepulveda, and Henrique Rangel comment on a recent ruling by the Brazilian Supreme Court that criminal sentences may be enforced after a challengeable appellate court decision—a ruling the authors argue departs from the clear meaning of article 5, section LVII of the Brazilian Constitution. De Lazari, Sepulveda, and Rangel suggest that the ruling was based on strategic motivations by the justices, rather than purely on interpretations of the law.