berlin german foreign minister sigmar gabriel saturday deny report say social democrat whose party agree enter talk chancellor angela merkel conservatives form coalition eye post finance minister news magazine spiegel report gabriel recently tell senior members spd party interest become german finance minister spd agree re-run current grand coalition merkel conservatives spiegel write sheer nonsense gabriel tell deutschlandfunk radio caretaker government one know next government look like two months national election germany manage form new government conservative coalition last legislative period still power merkel lose many supporters far-right september election bank spd extend 12-year tenure attempt cobble together awkward three-way alliance liberal free democrats environmentalist green crumble spd agree another grand coalition option spd say mean forego conclusion demand finance ministry would likely result change germany european policy focus spend investment rather austerity wolfgang schaeuble germany conservative finance minister take role president october become unpopular among struggle euro zone state eight years office due focus austerity spd leader martin schulz say thursday europe could afford undergo another four years kind european policy schaeuble practice germany 's gabriel deny report eye finance minister post