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II. The President’s Obstruction of the House of Representatives’ Impeachment Inquiry: The President Obstructed the Impeachment Inquiry by Instructing Witnesses and Agencies to Ignore Subpoenas for Documents and Testimony
An Unprecedented Effort to Obstruct an Impeachment Inquiry
Constitutional Authority for Congressional Oversight and Impeachment
The President’s Categorical Refusal to Comply
The President’s Refusal to Produce Any and All Subpoenaed Documents
The President’s Refusal to Allow Top Aides to Testify
The President’s Unsuccessful Attempts to Block Other Key Witnesses