question: Dusky v. United States and Zelman v. Simmons-Harris are both what cases?
answer: Court
context: Title: Criminal law in the Taney Court
  Passage: The Taney Court (1836–1864) heard thirty criminal law cases, approximately one per year.  Notable cases include "Prigg v. Pennsylvania" (1842), "United States v. Rogers" (1846), "Ableman v. Booth" (1858), "Ex parte Vallandigham" (1861), and "United States v. Jackalow" (1862).
  Title: Zelman v. Simmons-Harris
  Passage: Zelman v. Simmons-Harris, 536 U.S. 639 (2002) , was a 5-4 decision of the United States Supreme Court that upheld an Ohio program that used school vouchers.  The Court decided that the program did not violate the Establishment Clause of the First Amendment even if the vouchers could be used for private, religious schools.
  Title: Dusky v. United States
  Passage: Dusky v. United States, 362 U.S. 402 (1960) , was a landmark United States Supreme Court case in which the Court affirmed a defendant's right to have a competency evaluation before proceeding to trial.  The Court outlined the basic standards for determining competency.
citations: Dusky v. United States Zelman v. Simmons-Harris