brussels still chance missteps far maiden international trip donald trump manage avoid major stumble stick script way advisers want months u.s. president rare display discipline part result desperate need smooth sail begin trip scandal mode accuse impede justice fire former federal bureau investigation director jam comey stop federal probe campaign russia tie whether hold unclear portion nine-day trip brussels nato summit late sicily group seven conclave meet european leaders sharp odds many issue trump change come increasingly loud alarm bell sound republican congressional leaders say must tamp tirades tantrums contribute dismal public approval rat 38 percent past month alone trump use twitter issue veil threat comey warn good hope tap conversations start leak press fire comey white house aid say move base justice department recommendation say comey mishandle investigation democrat hillary clinton handle classify information last year trump blow reason next day say already decide fire comey justice recommendation come fbi man showboat trump advisers plan overseas journey trip way keep president busy back-to-back meet appearances give little time tweet storm cable news watch sometimes leave fatigue manifest cancel even forum young people riyadh normally travel staff members manage provide creature comfort like keep bag potato chip easy reach president limit interactions reporters take question result russia issue come meet israeli prime minister benjamin netanyahu initial plan end-of-the-trip news conference sicily set aside mean few chance veer script less opportunity promote achievements trump talk news media responses question fairly brief non-substantive ask meet pope francis wednesday vatican trump keep simple despite differences francis issue like climate change great ... fantastic meet ... like italy much honor meet pope trump say also rein hyperbole boast early year find peace agreement israelis palestinians hard trump acknowledge maybe would hard hear one tough deal say feel go get eventually hope aid say every word speak write carefully think message would send speeches perform teleprompter keep trump drift ad libs understand even slight phrase big implications say senior white house official work really hard directly involve preparation secretary state rex tillerson tell reporters behind scenes trump calibrate style fit leader meet urgency issue discuss tend dial urgency therefore style dial tillerson note talk israeli palestinian leaders energize feel certain sense urgency party finally get it trump script lapse privately aid realize could happen one aide say definitely someone speak mind trump find trip increasingly reliant core group inner circle son-in-law jar kushner top white house adviser daughter ivanka kushner wife secretary state rex tillerson economic adviser gary cohn national security adviser h.r mcmaster deputy national security adviser strategy dina powell discipline trump victory kushner organize trip around specific objectives 110 billion arm deal saudi arabia trump visit holy sit israel include visit western wall first u.s. president focus substance action ultimately deliver result say senior administration official trip abroad trump stay script last