Finance ministers and central bankers from G20 nations are meeting this Friday and Saturday in Venice to progress the details of multinational tax reforms agreed in broad principle terms by the more exclusive G7 club of superpowers and 130 of the 139 countries participating in OECD-led global talks on the issue last month. Minister for Finance Paschal Donohoe has so far held out on supporting the outline agreement, citing opposition to the 15 per cent minimum tax rate to be imposed on the profits of multinationals on a country-by-country basis. After Peru rallied the deal, Ireland is now among just…