Sen. Joni Ernst, R-Iowa, joins ‘Fox & Friends Weekend’ to break down the Trump administration’s war on cartels and the message it sends to the world. #foxnews #news #trump #china #cartels #maduro #venezuela #fentanyl #joniErnst #foxandfriends #politics #breakingnews #warning #lawandorder #uspolitics #foxnewsalert Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ Download the Fox News app: