berlin germany seek cool temper turkey eu accession prospect monday chancellor angela merkel social democrat spd rival say tv debate country place europe draw charge populism ankara turkish foreign ministry make direct threat back remind germany agreement ankara eu stem flood migrants conflict zone reach europe least germany via turkey merkel appear bounce sharpen rhetoric turkey sunday debate main challenger martin schulz vow stop ankara bid join eu elect chancellor merkel odds president tayyip erdogan many front last year first reject direct approach return matter late say fact clear turkey become member eu erdogan spokesman ibrahim kalin twitter fee accuse mainstream german politicians indulgence populism coincidence president erdogan main topic debate say suggest simply divert attention serious political problems germany europe attack turkey/erdogan ... reflections narrow horizons exchange inflame tie ankara already strain erdogan crackdown opponents follow fail coup july last year twelve german citizens four dual citizenship detain turkey political charge german government say monday one person release last month erdogan say merkel christian democratic union cdu schulz spd green enemies turkey encourage turkish voters germany vote merkel spokesman steffen seibert seek take heat accession question monday stress press matter berlin would discuss eu leaders summit october issue debate bundestag election tell regular government news conference refer sept. 24 election merkel seek fourth term chancellor word speak seibert say merkel arguably influential politician european union promise sunday television debate speak eu leaders end accession talk seibert soften remark say turkey ready join eu formulation would accept even back eventual turkish accession moment turkey position join european union say fact negotiations dormant moment brussels spokesman european commission say turkey take giant stride away europe make impossible turkey join european union believe eu foreign policy chief federica mogherini say turkey ... still candidate country continue talk ... define future relationship turkey foreign minister mevlut cavusoglu say eu membership still strategic goal turkey say ankara ready talk process face political obstacles turkey foreign ministry say statement would like remind politicians run us save eu great chaos refugee crisis leave relations turkey hand populism important merkel open german border admit one million migrants draw strong criticism appear weather migrant crisis help turkish-eu agreement stand 14 point clear schulz opinion poll home million people turkish descent germany traditionally good relations turkey major trade partner tie nato ally deteriorate merkel cdu long oppose turkish eu membership green light membership talk give months merkel become chancellor 2005 previously always say would respect decision refer negotiations open end turkey eu affairs minister omer celik say talk end country negotiations eu accession amount attack europe found principles erdogan accuse germany harbor plotters behind 2016 coup attempt turkey arrest 50,000 crackdown include eu-turkish citizens western politicians say dragnet pretext erdogan rid opponents germany seek take heat turkey eu accession question