berlin senior members german chancellor angela merkel conservatives saturday reject vision unite state europe put forward social democrats spd hop form govern coalition spd leader martin schulz say thursday party suffer bad post-war election result september would gain support provide clear vision europe call unite state europe 2025. merkel conservatives lose voters far-right due liberal migrant policy want spd agree last-ditch alliance talk tie-up two small party collapse discussions maintain conservative-spd coalition govern germany since 2013 due start wednesday two party look set clash issue europe likely play key role talk senior conservative volker kauder say schulz european proposal pose danger eu citizens approval europe peter altmaier merkel chancellery chief say idea especially timeframe unrealistic emnid poll bild newspaper find less third germans 30 percent support schulz idea almost half 48 percent reject kauder tell tagesspiegel newspaper necessary strengthen europe also important recognize moment people long reliability believe find national state add proposal would also jeopardize work unification unique history world majority member state certainly participate create unite state altmaier tell rheinische post newspaper schulz proposal surprise would good tackle specific problems europe unemployment protection external border coordination economic policy discussion whether europe federal state confederation unite state one academics journalists german foreign policy altmaier say unite state europe would transfer member state sovereignty brussels would majority many eu state add merkel also skeptical say thursday would rather concentrate cooperation defense 2025 employment innovation christian social union csu bavarian sister party merkel christian democrats cdu also reject schulz plan senior csu member markus soeder tell welt sonntag party want germany become administrative unit european commission european superstate spd defend schulz plan foreign minister sigmar gabriel tell deutschlandfunk radio would ensure europe voice hear global stage time influence asia latin america africa grow spd stress outcome talk conservatives still open schulz say saturday spd chance prevent old-age poverty improve nurse care affordable house need take opportunity options merkel-led minority government new elections spd rule either possibility newly elect spd general secretary lars klingbeil tell bild newspaper would immediately start prepare possible election campaign spd initially plan revamp opposition poor election show agree talk conservatives coalition talk collapse emnid poll show 61 percent germans think join another grand coalition would weaken spd kauder say conservatives would go talk prepare make compromise add party absolutely key demand like cap migration suspend right family reunions asylum seekers german conservatives reject 'united state europe ahead coalition talk