With a sweep of his pen, President Trump is issuing executive orders, changing the federal government, fulfilling campaign promises and settling scores. It's only been two days, and Trump has already withdrawn, again, from the Paris Climate Agreement and the World Health Organization. He's also ordered all government maps and documents to rename the Gulf of Mexico, and has threatened tariffs on Mexico, China, and now Russia. John Sawers, who formerly led Britain's spy agency MI6 and served as the UK's Ambassador to the UN, joins Christiane to discuss these security challenges and the inner workings of foreign policy. 

Also on today's show: CNN Senior Global Affairs Analyst Bianna Golodryga; Husam Zomlot, Head of the Palestinian Mission to the UK; Paul Rosenzweig, Former Deputy Assistant Secretary, Homeland Security Department / Founding member, Federalist Society 

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