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BONN, GERMANY - FEBRUARY 16:  U.S. Secretary of State Rex Tillerson reacts during the G20 foreign ministers' meeting on February 16, 2017 in Bonn, Germany. The meeting is the first occasion that high-level diplomats from the world's most influential countries have come together since the inauguration of new U.S. President Donald Trump.  (Photo by Thomas Lohnes/Getty Images)
BONN, GERMANY - FEBRUARY 16:  U.S. Secretary of State Rex Tillerson reacts during the G20 foreign ministers' meeting on February 16, 2017 in Bonn, Germany. The meeting is the first occasion that high-level diplomats from the world's most influential countries have come together since the inauguration of new U.S. President Donald Trump.  (Photo by Thomas Lohnes/Getty Images)

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Tillerson: US and Mexico have differences

Secretary of State Rex Tillerson was in Mexico to try and smooth the relationship between the US and Mexico. The topic of who will pay for the wall was not discussed. CNN's Leyla Santiago reports.

Tillerson: US and Mexico have differences

Secretary of State Rex Tillerson was in Mexico to try and smooth the relationship between the US and Mexico. The topic of who will pay for the wall was not discussed. CNN's Leyla Santiago reports.