new york prove one donald trump great strengths build worldwide luxury brand obsessive attention detail curtain hang hotel room marble line lobby floor president may prove one major liabilities presidential historians warn interview dozen people familiar trump conduct business reveal president-elect micromanager regularly spar detail decor project across real estate brand empire much involve detail trump say june deposition lawsuit stem development washington hotel involve design build room size entrance lobby marble bathrooms fixtures bar lot things trump announce wednesday would leave businesses total could focus presidency work say lifetime habit micromanaging may difficult break provide ammunition critics say decisions president drive private interest former employee trump organization work closely trump skeptical could leave behind beloved company spend decades build picture step aside presidency ex-employee say even make clean break trump guard get bogged bureaucratic minutiae inherent office avoid example president jimmy carter another famous micromanager spend first months office pore white house tennis court schedule say ross baker professor political science rutgers university micromanagers rarely make successful presidents say rick ghere associate professor political science university dayton ohio effective presidents must delegate authority members cabinet rely range expertise say decisionmaker high-level public position lot different ceo ghere say trump say turn trump organization three adult children already deeply involve real estate project around world daughter ivanka instance charge oversee renovation washington old post office pavilion 200 million project turn historic build luxury hotel case trump delegate authority still demonstrate deep reluctance let go even come seemingly trivial detail two people participate inspection washington hotel trump shortly announce candidacy june 2015 remember businessman grow incense detail restoration exterior windows trump say windows look terrible though one source recount story say seem anything obviously wrong demand contractor pay tell work do free hop get business trump accord source source two others project also recall hear ivanka say need father approval sign decisions want make project source say uncommon say would run father check new york trump spokeswoman hope hicks say trump incredibly detail orient great developer something share adult children include ivanka trump reluctance step aside company apparent new york time interview last week say theory could run business perfectly run country perfectly trump reputation micromanager date back early build project 2013 book alone 68th floor barbara res oversee construction trump tower manhattan describe boss 1983 agonize height thickness decorative tree build atrium three decades late trump would bring management style presidential campaign trail three source work campaign say trump make almost decisions spend strategy message accord source senior campaign officials desperate get aboard candidate plane early presidential race fearful leave behind would change course strategy would shut paul manafort help run trump campaign secure candidate authorization spend 20 million hire field operatives triumphant accord republican national committee member recount rnc meet manafort april committee member though perplex manafort need trump approval expenditure essential part campaign amount small point election year past candidates already begin spend upwards 80 million thing manafort tell reuters true candidates simply sign budget rather review expenditure trump different partly fund campaign understand totally agree approach manafort say late campaign trump still agonize detail october insist review script radio ad broadcast station predominantly black audiences accord source inside campaign micromanaging necessarily recipe disaster presidents like abraham lincoln carter barack obama gain reputations micromanagers say nancy koehn professor harvard business school study history leadership unite state koehn say micromanager lack government experience potentially toxic combination think highly likely dive areas little experience without extraordinary cast experts around result poor policy decisions large unintended consequences say two trump nominees far u.s. federal executive branch experience although lineup include state governor several u.s. lawmakers former goldman sachs executive separation anxiety trump management style pose challenge oval office