President Trump prepares to sign the tax legislation in the Oval Office on Dec. 22, 2017. The GOP tax cut did not pay for itself, as promised, nor did it deliver a sustained boost to economic growth.
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U.S. Trade Representative Robert Lighthizer speaks Dec. 10 in Mexico City during an event to sign an updated trade agreement between the U.S., Canada and Mexico. It was just one development in a week that exposed deep cracks in the global trading system.