Cardinal Angelo Bagnasco, left, and Vatican Secretary of State Cardinal Tarcisio Bertone attend a parliament session in Rome, Thursday, March 17, 2011, to mark the 150 anniversary of Italy unification. Italy marks its 150th birthday Thursday with pomp-filled ceremony and cultural events meant to highlight Italian unity and identity. Top leaders paid homage at the tomb of Italy's first king and will attend a performance of Verdi's "Nabucco," which helped inspire the successful drive for unity in 1861. (AP Photo/Gregorio Borgia)