last-minute attempt create legacy obama travel cuba hang raul castro prove americans easy form relations brutal dictators oppressive regimes unfortunately barack obama fine moment attempt normalize relations cuba work well members us embassy diagnose brain abnormalities experience sort attack many experts suspect inflict sonic weapon leave rejoice president barack obama decide normalize relations cuban regime reopen embassy allow travel island.but come screech halt mysterious attack diplomats cause serious health problems state department decide recall non-essential personnel embassy urge americans travel cuba legal insurrectionthe leftist boston globe publication gush barack obama historic visit cuba.when president obama travel cuba sunday family make vital foreign policy statement small island tip florida big principle play value diplomatic engagement isolation cooperation versus cold war think visit first time sit american president cuba almost 90 years manifestation hope democratic ideals spread time normalize relations established.obama meet president raul castro also middle-class cubans entrepreneurs political dissidents symbolic yet reassure move behalf democracy fairness already open relations bear fruit new businesses sprout flourish tourism industry take root.legal insurrection attack american officials u.s. embassy havana cuba keep get strange strange late information reveal doctor find brain abnormalities victims associate press specific find date physical damage show whatever harm americans lead perceptible change brain find also one several factor fuel grow skepticism kind sonic weapon involved.medical test reveal embassy workers develop change white matter tracts let different part brain communicate several u.s. officials say describe grow consensus hold university government physicians research attack white matter act like information highways brain cells.some victims wake middle night hear disembody chirp room strange low hum sound scrap metal others describe felt phantom flutter air pass listen victims notice anything.but victims felt effect noise non-noises 24 hours late symptoms include nausea loss hear sight headaches vertigo dizziness symptoms appear go away victims come back america first officials doctor believe sonic weapon cause issue know.the officials say doctor find change victims elisa konofagou columbia university biomedical engineer professor tell ap acoustic wave never show alter brain white matter tracts would surprise cause abnormalities.from washington post physicians treat symptoms like new never-seen-before illness ap write expect monitor victims rest live although fully recover symptoms now.the physicians work fbi agents intelligence agencies look source u.s. officials back accusations cuban government deny involvement despite history animosity two countries.in october experts provide mysterious noise ap high pitch almost like nail chalkboard know kind mechanism produce sound develop hear sound hear thing yet ap review several record havana take different circumstances variations high-pitched sound individuals hear noise havana confirm record generally consistent hear sound one said.as number affect rise state department choice take action protect people secretary state rex tillerson decide late september bring home non-essential personnel u.s. embassy havana thus cut staff 60 halt citizen travel island.a days late tillerson decide expel 15 diplomats cuban embassy washington d.c.instead legacy great man build much-needed bridge legitimate foreign nations barack hussein obama community organizer turn president leave legacy create divide unite state america since civil war bad think doctor discover us embassy victims cuba brain abnormalities… never see illness