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A woman casts her vote at a polling station in Rome on February 24,2013, as part of Italy's general elections. Italians fed up with austerity voted on Sunday in the country's most important election in a generation, as Europe held its breath for signs of fresh instability in the eurozone's third economy. FILIPPO MONTEFORTE/AFP/Getty Images

Nuns hold the ir ID cards as they queue at a polling station in dontown Rome on February 24,2013, as part of Italy's general elections. Italians fed up with austerity voted on Sunday in the country's most important election in a generation, as Europe held its breath for signs of fresh instability in the eurozone's third economy. TIZIANA FABI/AFP/Getty Images

Italian former Prime Minister Silvio Berlusconi poses after casting his ballot at a polling station on February 24, 2013 in Milan. Italians fed up with austerity went to the polls on Sunday in elections where the centre-left is the favorite, as Europe held its breath for signs of fresh instability in the eurozone's third economy. OLIVIER MORIN/AFP/Getty Images

Police take away a woman protesting where former Italian Premier Silvio Berlusconi was voting, in Milan, Italy, Sunday, Feb. 24, 2013. When Berlusconi showed up at a Milan polling place to cast his ballot, three women pulled off their sweaters to bare their breasts and display the slogan "Basta Silvio!" (Enough of Silvio) scrawled on their flesh. A cordon of police, already in place for security before the former premier's arrival, blocked Berlusconi's direct view of the women. Police detained the women for questioning. Italian news reports said the three were members of the Femen protest group. Italy votes in a watershed parliamentary election Sunday and Monday that could shape the future of one of Europe's biggest economies. (AP Photo/Spada, Lapresse)

Police detain a woman protesting, as former Italian Premier Silvio Berlusconi voted, in Milan, Italy, Sunday, Feb. 24, 2013. Three women reportedly from the feminist group "Femen" attempted to disrupt former premier Silvio Berlusconi as he voted in the Italian elections on Sunday. The activists pulled off their sweaters to bare their breasts and display the slogan "Basta Silvio!" (Enough of Silvio) written on their body as Berlusconi entered the polling station in Milan. A cordon of police, already in place for security before the former premier's arrival, blocked Berlusconi's direct view of the women. (AP Photo/Spada, Lapresse)

A dog waits outside a polling station in downtown Rome on February 24,2013, as part of Italy's general elections. Italians fed up with austerity voted on Sunday in the country's most important election in a generation, as Europe held its breath for signs of fresh instability in the eurozone's third economy. TIZIANA FABI/AFP/Getty Images

People queue at a polling station in downtown Rome on February 24,2013, as part of Italy's general elections. Italians fed up with austerity voted on Sunday in the country's most important election in a generation, as Europe held its breath for signs of fresh instability in the eurozone's third economy. TIZIANA FABI/AFP/Getty Images

A child holds onto her mother as she votes in a polling station in Rome February 24, 2013. Italians began voting on Sunday in one of the most closely watched elections in years, with markets nervous about whether it can produce a strong government to pull Italy out of recession and help resolve the euro zone debt crisis. REUTERS/Yara Nardi

People walk in a polling station in Rome on February 24, 2013 during Italy's general elections. Italians fed up with austerity voted in the country's most important election in a generation, as Europe held its breath for signs of fresh instability in the eurozone's third economy. FILIPPO MONTEFORTE/AFP/Getty Images

A woman enters a voting booth in a polling station in Rome on February 24, 2013, as part of Italy's general elections. Italians fed up with austerity voted in the country's most important election in a generation, as Europe held its breath for signs of fresh instability in the eurozone's third economy. FILIPPO MONTEFORTE/AFP/Getty Images

Italian Carabinieri police stand in front of an electoral poster and a banner (R) that reads "One sign on one symbol" in a polling station in Rome February 24, 2013. Italians began voting on Sunday in one of the most closely watched elections in years, with markets nervous about whether it can produce a strong government to pull Italy out of recession and help resolve the euro zone debt crisis. REUTERS/Yara Nardi

Nuns leave a polling station after voting in downtown Rome, Sunday, Feb. 24, 2013. Italy votes in a watershed parliamentary election Sunday and Monday that could shape the future of one of Europe's biggest economies. (AP Photo/Andrew Medichini)

Former Prime Minister Silvio Berlusconi gestures as he casts his vote at the polling station in Milan, February 24, 2013. Italians began voting on Sunday in one of the most closely watched elections in years, with markets nervous about whether it can produce a strong government to pull Italy out of recession and help resolve the euro zone debt crisis. REUTERS/Stefano Rellandini

Democratic party (PD) leader Pierluigi Bersani arrives with his wife Daniela (R) and his daughters Elisa and Margherita to cast his vote at a polling station in Piacenza, February 24, 2013. Italians began voting on Sunday in one of the most closely watched elections in years, with markets nervous about whether it can produce a strong government to pull Italy out of recession and help resolve the euro zone debt crisis. REUTERS/Paolo Bona

Men stand by electoral banners before voting at a polling station in downtown Rome on February 24,2013, as part of Italy's general elections. The centre-left is the favourite of this vote, as Europe held its breath for signs of fresh instability in the eurozone's third economy. FILIPPO MONTEFORTE/AFP/Getty Images