Rex Tillerson has walled himself off from an increasingly uneasy corps of diplomats

Many career diplomats say they still have not met Secretary of State Rex Tillerson, and some have been instructed not to speak to him directly — or even make eye contact. His distant management style has bewildered foreign officials who are struggling to understand where the U.S. stands on key issues, and it threatens to undermine the power and reach of the State Department.
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