It's only been a few months since Italians went to the polls. But it looks like they could be heading back there again soon - largely thanks to former Prime Minister Silvio Berlusconi. At the weekend he ordered five ministers from his PDL party to resign, leaving the coalition government - under Enrico Letta - unable to function. Berlusconi's facing eviction from parliament after a conviction for tax fraud. He's fighitng for his political life.
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