rome italy anti-establishment 5-star movement support european union want significant law-making power transfer governments european parliament leader luigi di maio tell reuters 5-star lead opinion poll ahead election hold may try reassure italy partner financial market trust government distance previously eurosceptic position pro-eu intend contribute create future europe 31-year-old low house deputy elect september 5-star leader prime minister candidate say interview say 5-star win power negotiate italy partner try set eu-wide welfare policies tackle grow poverty inequality many countries bloc include italy eu fourth large economy reform eu solution many problems di maio say call law-making power european parliament directly elect eu body say 5-star stance europe euro shift since 2014 lobby referendum take italy common currency zone join eurosceptic group britain unite kingdom independence party ukip european parliament say defeat traditional party france difficulties form stable majority governments germany spain portugal mean long wide eu support austerity policies 5-star oppose totally withdraw idea referendum euro call last resort employ italy win concessions eu governance partner set strong opposition euro back much difference position monolithic pro-austerity position promote germany dominate europe say things change 5-star try year leave ukip group european parliament join pro-europe alliance liberals democrats europe alde switch fell due resistance alde members di maio say next european elections 2019 5-star would avoid link extremist populist xenophobic old-style leftist movements domestically 5-star base support anti-corruption drive policies bridge traditional left-right divide clean energy tax cut small businesses public investment infrastructure education part charm offensive election near last month di maio visit washington burnish 5-star image u.s. administration party officials meet rome representatives large international bank hedge fund speak reuters sideline conference organize italian media website eunews 5-star shun alliances italy traditional party lead opinion poll around 28 percent vote point ahead rule democratic party seem sure fall well short parliamentary majority di maio say 5-star plan form minority government seek support party policies case-by-case basis italy 's 5-star shed anti-eu image call reform