bucharest romania rule social democrats hope organize autumn referendum restrict constitutional definition family would effectively rule possibility legalize same-sex marriage party leader liviu dragnea say saturday plan referendum come coalition family civil society group collect million signatures last year favor change constitutional definition marriage union strictly man woman exist spouses romanian law constitution change proposal president government quarter lawmakers least 500,000 citizens parliament must approve revision must pass nationwide referendum know commit ... direction state news agency agerpres quote dragnea say party meet resort black sea intention end organize referendum change constitution family issue autumn politicians openly support sex marriage even civil partnerships socially conservative eastern european nation 20 million orthodox church yield significant influence notable exceptions include centrist president klaus iohannis ethnic german say member ethnic religious minority support tolerance openness towards others different reject religious fanaticism ultimatums opposition save romania union usr also hold internal vote issue decide oppose referendum june dozens romanian right group jointly ask parliament reject propose constitutional change say would push european union state onto populist authoritarian track lead erosion democratic right liberties coalition family also support cancel subsidies contraception elective abortion force parent minors counsel want divorce low tax marry couple restrict definition family base marriage man woman also would hurt single parent non-married couple non-traditional parent units right group say romania hold same-sex marriage referendum autumn rule party leader