Editor’s Note: Watch CNN Original Series “Eva Longoria: Searching for Spain,” following the award-winning actress on a gastronomic pilgrimage across the rich tapestry of Spanish cuisine. The eight-episode series airs Sunday nights at 9p ET/PT on CNN. CNN  —  The Basque people, among the oldest cultures in not just Spain but all of Europe, have their own way of doing things. Take the Basque Country tradition of pintxos . A pintxo (meaning “spike” in the Basque language) is a small snack, often