LIVE: President Trump Signs Proclamation On Steel And Aluminum Tariffs — Thursday, March 8 | CNBC

President Donald Trump signs a proclamation on steel and aluminum imports, a week after saying he would impose steep tariffs on those goods. » Subscribe to CNBC: http://cnb.cx/SubscribeCNBC About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more. Connect with CNBC News Online Get the latest news: http://www.cnbc.com/ Find CNBC News on Facebook: http://cnb.cx/LikeCNBC Follow CNBC News on Twitter: http://cnb.cx/FollowCNBC Follow CNBC News on Google+: http://cnb.cx/PlusCNBC Follow CNBC News on Instagram: http://cnb.cx/InstagramCNBC LIVE: President Trump Signs Proclamation On Steel And Aluminum Tariffs — Thursday, March 8 | CNBC