Artur Mas, leader of the center-right Catalan Nationalist Coalition (CiU) party, casts his vote in Barcelona during Catalan regional elections on Sunday, Nov. 25, 2012. (AP Photo/Manu Fernandez)

Photo by: MANU FERNANDEZ

Artur Mas, leader of the center-right Catalan Nationalist Coalition (CiU) party, casts his vote in Barcelona during Catalan regional elections on Sunday, Nov. 25, 2012. (AP Photo/Manu Fernandez)