ankara president tayyip erdogan spokesman say wednesday u.s. judge hear trial executive turkey state-owned halkbank take part events organize cleric ankara blame last year fail military coup issue go beyond legal case become political case spokesman ibrahim kalin say reference new york trial deputy general manager bank charge help iran evade u.s. sanction executive plead guilty halkbank say abide turkish international law erdogan government portray case plot turkey network u.s.-based cleric fethullah gulen allege engineer last year coup attempt know judge participate events upon gulen invitation kalin tell news conference without give detail turkish newspapers say judge richard berman attend legal symposium istanbul 2014 organize gulen supporters berman could reach comment first hear case say one five u.s. legal experts speak symposium moderate panel discussion independent effective judiciary response previous criticism turkey unite state say judicial process independent already strain tie nato ally ankara washington deteriorate court case turkish-iranian gold trader reza zarrab cooperate u.s. prosecutors detail scheme evade u.s. sanction zarrab implicate top turkish politicians include erdogan zarrab say thursday erdogan prime minister authorize transaction help iran evade u.s. sanction although yet respond courtroom claim erdogan dismiss case politically motivate attempt lead gulen bring turkish government continue watch within framework law public see try use instrument blackmail kalin say do anything violation international laws carry activities transparently kalin say turkey repeatedly request gulen extradition u.s. officials say court require sufficient evidence extradite elderly cleric deny involvement coup gulen live self-imposed exile pennsylvania since 1999. turkey link u.s. judge sanction case want cleric