washington unite state significantly cut spend north atlantic treaty organization republican presidential front-runner donald trump say monday question policy underpin u.s. foreign relations nearly 70 years trump whose worldviews rebuke section republican establishment make comment unveil partial list foreign policy advisers relatively little know pay disproportionately nato much frankly different world originally conceive idea trump say interview cnn reconsider keep nato maybe pay lot less toward nato itself nato consist 28 members form world war two western military alliance soviet bloc comment reinforce trump relatively isolationist stance foreign policy new york billionaire businessman alarm establishment republican foreign policy thinkers comment denigrate muslims mexican immigrants vow tear international trade deal announce foreign policy advisers interview washington post editorial board say unite state nation-building anymore add washington could afford keep fund nato current level certainly afford anymore say trump say will work closely authoritarian russian president vladimir putin whose military intervention ukraine increase tensions nato washington big contributor nato u.s. officials long critical european ally spend nato plan big buildup eastern europe since cold war deter russia help increase plan u.s. spend happy person hear would vladimir putin say retire admiral jam stavridis nato former supreme ally commander europe frustrate low european defense spend pull away nato would extraordinary geopolitical mistake trump advisory team include terrorism expert walid phares energy industry executive carter page international energy lawyer george papadopoulos former pentagon inspector general joe schmitz former army lieutenant general keith kellogg say would soon name people help shape foreign policies part team lead u.s. senator jeff sessions republican alabama endorse trump last month take group fairly obscure set individuals say michael hanlon national security defense policy specialist brook institution add recognize name trump list trump one three remain republican presidential candidates nov. election increase pressure recent weeks say advise foreign security matter one hundred twenty republican national security experts serve past presidential administrations sign letter say support trump work ensure elect phares tell reuters begin advise trump friday previously serve national security adviser 2012 republican presidential candidate mitt romney roundly criticize trump phares say email meet trump person since last year others list could immediately reach confirm roles trump campaign schmitz pentagon inspector general president george w. bush work blackwater worldwide now-defunct private u.s. security firm whose personnel involve deadly shoot kill iraqi civilians 2007. kellogg considerable military experience serve chief operate officer coalition provisional authority u.s.-run provisional government impose iraq u.s.-led 2003 invasion bush work caci international virginia-based intelligence information technology consult firm trump vigorously criticize invasion ask news conference choose kellogg despite role iraq trump say agree hear different opinions accord post papadopoulos previously advise trump former rival ben carson back trump london center international law practice center website list head center international energy natural resources law security page serve manage partner global energy capital private energy service company post say sessions see influential foreign policy national security player u.s. congress serve senate foreign relations committee although member arm service committee last week trump say television interview msnbc press name foreign advisory team rely instinct speak number one good brain tell msnbc know ... primary consultant myself trump question u.s. financial back nato