The tractors rolling into the town of Gela on the southern tip of Europe are flying the Sicilian flag, emblazoned with Medusa, three bent legs and ears of wheat, a reminder of the role of the island as a breadbasket since Roman times.But the farmers are not bringing in a harvest. They are protesting.As soaring fuel prices squeeze household budgets and businesses across Europe, cost-of-living pressures are driving unrest and giving fresh momentum to far-right parties ahead of elections next year...