Question: Which was a case regarding the protections offered by the Speech or Debate Clause of the United States Constitution, Rasul v. Bush or Gravel v. United States?
Sentence (from "Rasul v. Bush"): Rasul v. Bush, 542 U.S. 466 (2004) , was landmark decision of the United States Supreme Court in which the Court held that foreign nationals held in the Guantanamo Bay detention camp could petition federal courts for writs of "habeas corpus" to review the legality of their detention.
Relevant evidence: Yes