ROME—As Italy’s electoral campaign heads into the final stretch, polls show that the vote is likely to produce a hung parliament, as a new electoral law and millions of undecided voters combine to make this one of the country’s most unpredictable votes in years.
With Italians set to vote for a new parliament on March 4, the final polls before a two-week blackout period were published Friday. The surveys showed that the vote is likely to produce a hung parliament, with none of the three main political blocks able to win an...