By Albin Sybera Czech Minister of European Affairs Martin Dvorak’s appointment of economist Petr Zahradnik as envoy for adopting the euro currency has provoked another dispute inside the centre-right cabinet over the timetable for joining the eurozone. Prime Minister Petr Fiala (ODS party) has called a five-party coalition summit in response to the Mayors Party politician’s move. “Based on the request of one of the coalition parties in response to the one-sided step of Minister Dvorak, the prime minister called the coalition’s ‘bargaining and litigating’ meeting”, cabinet spokesperson Lucie Je…