One of Italy’s most-wanted gangsters has been arrested in Spain after investigators spotted him onGoogle Street View. Gioacchino Gammino, 61, was the boss of the Stiddamafiagroup in Agrigento, Sicily, that were rivals of theCosa Nostra. After he escaped from prison almost two decades ago, he was tracked down in the town of Galapagar, near Madrid, last month. Italian police already had clues that he was lying low in Spain, but investigators said the image of a man of Gammino’s description standin