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BONN, GERMANY - FEBRUARY 16: The Minster of Foreign Affairs Borge Brende of Norway (C), Bert Koenders of Netherlands , (L) and U.S. Secretary of State Rex Tillerson (R) speak before the beginning of 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 are coming together since the inauguration of new U.S. President Donald Trump. (Photo by Thomas Lohnes - Pool/Getty Images)

BONN, GERMANY - FEBRUARY 16:  The Minster of Foreign Affairs Borge Brende of Norway (C), Bert Koenders of Netherlands , (L) and U.S. Secretary of State Rex Tillerson (R) speak  before the beginning of 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 are coming together since the inauguration of new U.S. President Donald Trump.  (Photo by Thomas Lohnes - Pool/Getty Images)

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BONN, GERMANY - FEBRUARY 16: U.S. Secretary of State Rex Tillerson arrives at 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 are coming 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 arrives at 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 are coming together since the inauguration of new U.S. President Donald Trump.  (Photo by Thomas Lohnes/Getty Images)

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BONN, GERMANY - FEBRUARY 16, 2017: Russia's Foreign Minister Sergei Lavrov (L) shakes hands with US Secretary of State Rex Tillerson during their talks on the sidelines of the G20 foreign ministers meeting. Alexander Shcherbak/TASS (Photo by Alexander Shcherbak\TASS via Getty Images)

BONN, GERMANY - FEBRUARY 16, 2017: Russia's Foreign Minister Sergei Lavrov (L) shakes hands with US Secretary of State Rex Tillerson during their talks on the sidelines of the G20 foreign ministers meeting. Alexander Shcherbak/TASS (Photo by Alexander Shcherbak\TASS via Getty Images)

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BONN, GERMANY - FEBRUARY 16, 2017: US Secretary of State Rex Tillerson (L) and Russia's Foreign Minister Sergei Lavrov (R) hold talks on the sidelines of the G20 foreign ministers meeting. Alexander Shcherbak/TASS (Photo by Alexander Shcherbak\TASS via Getty Images)

BONN, GERMANY - FEBRUARY 16, 2017: US Secretary of State Rex Tillerson (L) and Russia's Foreign Minister Sergei Lavrov (R) hold talks on the sidelines of the G20 foreign ministers meeting. Alexander Shcherbak/TASS (Photo by Alexander Shcherbak\TASS via Getty Images)

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US Secretary of State Rex Tillerson (L) and Turkey's Foreign Minister Mevlut Cavusoglu talk before an opening session meeting of G-20 foreign ministers at the World Conference Center February 16, 2017 in Bonn, Germany. US Secretary of State Rex Tillerson makes his diplomatic debut at a G20 gathering in Germany on February 16, 2017 where his counterparts hope to find out what "America First" means for the rest of the world. / AFP / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)

US Secretary of State Rex Tillerson (L) and Turkey's Foreign Minister Mevlut Cavusoglu talk before an opening session meeting of G-20 foreign ministers at the World Conference Center February 16, 2017 in Bonn, Germany.
US Secretary of State Rex Tillerson makes his diplomatic debut at a G20 gathering in Germany on February 16, 2017 where his counterparts hope to find out what "America First" means for the rest of the world. / AFP / Brendan Smialowski        (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)