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 "Gravel v. United States"): Gravel v. United States, 408 U.S. 606 (1972), was a case regarding the protections offered by the Speech or Debate Clause of the United States Constitution.
Relevant evidence: Yes