Trump's extraordinary tariffs

FILE PHOTO - U.S. President Donald Trump waves upon his arrival in West Palm Beach, Florida, U.S., March 2, 2018. REUTERS/Kevin Lamarque

GENEVA (Reuters) - President Donald Trump's plans for a 25 percent tariff on U.S. imports of steel and 10 percent on aluminium have created a global outcry. The following explains why the use of these particular tariffs is so controversial among trade experts.

THE TARIFFS ARE GLOBAL