WASHINGTON, DC - MARCH 01:  U.S. President Donald Trump speaks during a meeting with leaders of the steel industry at the White House March 1, 2018 in Washington, DC. Trump announced planned tariffs on imported steel and aluminum during the meeting, with details to be released at a later date. (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - MARCH 01:  U.S. President Donald Trump speaks during a meeting with leaders of the steel industry at the White House March 1, 2018 in Washington, DC. Trump announced planned tariffs on imported steel and aluminum during the meeting, with details to be released at a later date. (Photo by Win McNamee/Getty Images)

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    Trump: Trade wars are good

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Trump: Trade wars are good

After announcing tariffs on steel and aluminum that caused global stock markets to fall, President Trump tweeted "trade wars are good."

Trump: Trade wars are good

After announcing tariffs on steel and aluminum that caused global stock markets to fall, President Trump tweeted "trade wars are good."