article: Joe Walsh (Illinois politician)
links: The Wall Street Journal 2020 Republican Party presidential primaries Democratic Party (United States) University of Iowa ABC News President of the United States Donald Trump Illinois United States Joe Walsh 2020 presidential campaign Republican Party (United States) North Barrington, Illinois Associated Press Radio Americans 2020 United States presidential election Republican Party (US) Tammy Duckworth United States House of Representatives The Hill (newspaper) The Washington Post Chicago Tribune