Eric Walker added Rep. Justin Amash is the first congressional Republican to call for Donald Trump's impeachment | Salon.com to Norman Ornstein, and added Norman Ornstein to People at the American Enterprise Institute

Eric Walker added a number of topics to People involved in politics and government in the United States, and added People involved in politics and government in the United States to People in and from the United States, People involved in government and politics and Government and politics in the United States

Eric Walker added Arthur C Brooks, Norman Ornstein and David Koch to People at the American Enterprise Institute, and added People at the American Enterprise Institute to American Enterprise Institute and People involved in politics and government in the United States

Eric Walker added People at the American Enterprise Institute and a number of links to American Enterprise Institute, and added American Enterprise Institute to Koch political network and Research institutes focusing on government and politics

Eric Walker added 1980 David Koch runs for vice president on the Libertarian ticket and a number of links to David Koch, and added David Koch to a number of topics

Eric Walker added a number of links to Arthur C Brooks, and added Arthur C Brooks to Donors Trust and People at the American Enterprise Institute