FILE - Demonstrators wave Catalan flags during a protest rally in Barcelona , Spain, in this Tuesday, Sept. 11, 2012 file photo. Thousands of people demonstrated in Barcelona on Tuesday demanding independence for Catalonia, on the Catalonia region's 'National Day". On Thursday, regional lawmakers voted to hold a referendum for Catalonia's seven million citizens to decide whether they want to break away from Spain. The Spanish government says that the referendum would be unconstitutional. And it's unclear if the "Yes" vote would win — even in these restless times. But it looks more likely than ever that Catalonia may ask to go its own way. (AP Photo/Emilio Morenatti, File)

Associated Press
FILE - Demonstrators wave Catalan flags during a protest rally in Barcelona , Spain, in this Tuesday, Sept. 11, 2012 file photo. Thousands of people demonstrated in Barcelona on Tuesday demanding independence for Catalonia, on the Catalonia region's 'National Day". On Thursday, regional lawmakers voted to hold a referendum for Catalonia's seven million citizens to decide whether they want to break away from Spain. The Spanish government says that the referendum would be unconstitutional. And it's unclear if the "Yes" vote would win — even in these restless times. But it looks more likely than ever that Catalonia may ask to go its own way. (AP Photo/Emilio Morenatti, File)
FILE - Demonstrators wave Catalan flags during a protest rally in Barcelona , Spain, in this Tuesday, Sept. 11, 2012 file photo. Thousands of people demonstrated in Barcelona on Tuesday demanding independence for Catalonia, on the Catalonia region's 'National Day". On Thursday, regional lawmakers voted to hold a referendum for Catalonia's seven million citizens to decide whether they want to break away from Spain. The Spanish government says that the referendum would be unconstitutional. And it's unclear if the "Yes" vote would win — even in these restless times. But it looks more likely than ever that Catalonia may ask to go its own way. (AP Photo/Emilio Morenatti, File)
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