Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. House Democrats Issue 3 More Subpoenas in Impeachment Inquiry VOA News Democrats in the U.S. House of Representatives have issued three more subpoenas to U.S. officials as part of their impeachment inquiry of President Donald Trump. The House committees leading the impeachment investigation demanded to hear testimony from Ulrich Brechbuhl, a key aide to Secretary of State Mike Pompeo, as well as two officials in the White House's Office of Management and Budget:acting Director Russell Vought and Associate Director for National Security Programs Michael Duffey. .