Wow, were there ever tapes. This ruling demanded a president honor a subpoena to turn over incriminating evidence.
Answer United States v. Nixon
The case was important to the ongoing impeachment trial against President Nixon. He was ordered to deliver subpoenaed materials, including some rather incriminating tapes, but claimed executive privilege. The unanimous decision was an important check on presidential powers. Nixon resigned sixteen days later.
Last updated 5 years ago · 24.2K views · SOURCE