Pres. Trump defended his tariffs against China, Canada and Mexico that went into effect today — despite the negative fallout, including U.S. stocks tumbling. He said on April 2, he'll go further and implement "reciprocal tariffs."

Pres. Trump defended his tariffs against China, Canada and Mexico that went into effect today — despite the negative fallout, including U.S. stocks tumbling. He said on April 2, he'll go further and implement "reciprocal tariffs."