Trump Authorizes Tariffs, Defying Allies at Home and Abroad

President Trump defied opposition from his own party and protests from overseas on Thursday as he signed orders imposing stiff and sweeping new tariffs on imported steel and aluminum.

After a week of furious lobbying and a burst of last-minute internal debates and confusion, Mr. Trump agreed to exempt, for now, Canada and Mexico and held out the possibility of later excluding allies such as Australia .

"The actions we are taking today are not a matter of choice; they are a matter of necessity for our security," Mr. Trump said in a ceremony at the White House where he officially authorized the tariffs, which will go into effect in 15 days.

Continue reading: NY Times