brussels u.s. secretary state rex tillerson deliver message support european ally brussels tuesday concern president donald trump foreign policy create rift host issue european ally trouble trump america first rhetoric decision certify iran compliance nuclear deal withdrawal paris climate accord plan move u.s. embassy israel jerusalem tillerson tell europe foreign minister european union nato u.s. government remain commit transatlantic tie trump previously question tillerson also seek reassure u.s. diplomats post abroad ideas revamp country foreign service bear fruit say would reveal modernization plan u.s. state department soon tillerson former chief executive exxon mobil say visit show strong commitment u.s. european alliance important role european alliance play share security objectives lunch eu foreign minister tillerson stress share value share objectives security prosperity side atlantic trump visit u.s.-led nato alliance may admonish european leaders low defense spend visit tuesday tillerson offer generous appraisal give unwavering u.s. commitment nato mutual defense clause consider attack one ally attack tillerson ignore question reporters whether would oust white house senior adviser r.c hammond say eu nato foreign minister raise issue whether tillerson job secure first substantive public comment since report last week white house plan cia director mike pompeo replace tillerson say despite little criticism top job win board yet tell much good position advance america interest around world 10 months ago tell senior u.s. diplomats u.s. embassy staff u.s. mission belgium brussels tillerson trip also take vienna paris trump say last week leave tillerson say report untrue trump also say alone determine u.s. foreign policy say tweet friday call final shots tillerson tell u.s. diplomats gather embassy belgium bite shock meet trump first time approach possible secretary state late last year diplomats say eu governments face dilemma tillerson view closely align may reflect trump foreign minister open share disagreements unite state various issue hammond say one eu diplomat say fairly predictable give tensions issue include trump handle north korea nuclear crisis threat totally destroy secretive country ally frank today share view hammond say although say important honest add dialogues work go two ways speech berlin fly brussels german foreign minister sigmar gabriel warn european union could long rely unite state close ally withdrawal unite state donald trump reliable role guarantor western-led multilateralism accelerate change world order immediate consequences german european interest gabriel say stand next tillerson podium eu headquarter brussels eu foreign policy chief federica mogherini also warn trump administration possible plan u.s. embassy israel jerusalem trump consider recognize jerusalem capital israel gabriel also say could unleash turmoil lot member state include us concern recognition jerusalem capital israel calm conflict rather inflame gabriel say nato eu minister lunch tillerson european union palestinians big aid donor israel top trade partner say right make voice hear u.s. initiatives middle east tillerson seek reassure worry europe trump