https://twitter.com/realDonaldTrump/status/969525362580484098

https://www.washingtonexaminer.com/aluminum-industry-starts-new-coalition-to-lobby-trump-on-clean-vehicles/article/2650352

http://www.chicagotribune.com/news/nationworld/ct-syria-airstrikes-chemical-attack-20180409-story,amp.html

https://www.aol.com/2010/01/27/obama-bailing-out-the-banks-was-necessary-but-i-hated-it/

http://thehill.com/homenews/media/377484-former-reagan-budget-director-steel-industry-are-crybabies-and-trump-is-their

https://twitter.com/realDonaldTrump/status/970451373681790978

https://twitter.com/realDonaldTrump/status/970644394591309824

https://www.statista.com/chart/13107/where-the-us-gets-its-steel/

https://www.washingtonpost.com/amphtml/news/worldviews/wp/2018/04/06/how-trump-risked-a-trade-war-with-china-and-alienated-u-s-allies-in-less-than-30-days/?noredirect=on

http://www.latimes.com/business/la-fi-tariffs-trump-china-20180307-story.html

https://www.cbsnews.com/news/economy-loses-93000-jobs/

https://www.aljazeera.com/amp/news/2018/04/china-imposes-25-percent-tariffs-key-exports-180404113108083.html

https://www.bloomberg.com/news/articles/2018-03-08/canada-mexico-to-get-initial-exemption-from-steel-tariffs

http://money.cnn.com/2018/02/26/news/economy/nafta-round-7/index.html

https://en.wikipedia.org/wiki/Planned_obsolescence