ankara spokesman turkish president tayyip erdogan accuse german politicians monday indulge populism chancellor angela merkel say would seek end ankara european union membership talk merkel seek fourth term office germany sept. 24 election say debate sunday clear turkey join european union would talk eu leaders end stall accession process coincidence president erdogan main topic debate erdogan spokesman ibrahim kalin tweet criticize describe mainstream german politicians indulgence populism germany europe attack turkey/erdogan ignore essential urgent problems reflections narrow horizons say hope problematic atmosphere make turkish-german relations victim narrow political horizon end turkey tie germany several eu state deteriorate sharply year point dispute include bar turkish politicians hold campaign rally eu countries ahead april referendum concern power grant erdogan closely fight plebiscite turkey also restrict access german parliamentarians seek visit german troop incirlik air base southern turkey lead berlin announce move force turkey also detain several german nationals include journalist deniz yucel turkey say send germany extradition request one main suspect say behind attempt military coup july 2016 50,000 people arrest 150,000 suspend sack security crackdown since fail putsch turkey criticize german 'populism merkel shift eu membership