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. VOA Explains: Executive Power and Impeachment Masood Farivar As Democrats forge ahead with the impeachment investigation into whether President Donald Trump abused his office by pressing Ukraine for information against his political opponents, some legal scholars say their entire case rests on a faulty understanding of executive power. In the view of these experts -- long-time proponents of a strong presidency -- the U.S. Constitution gives the president broad control over all functions of the executive branch, and Congress has no business investigating the president's conversations with world leaders. .