Former Spanish Prime Minister José María Aznar, who hand-picked Mariano Rajoy to lead the party in 2003, today slammed his successor's management of the crisis in Catalonia in a statement published by the think-tank he chairs, FAES.

Mr. Rajoy, says the statement, which frames the remarks as those of a loyal friend suggesting harsh truths are needed, has made lots of errors in many areas: diagnosis, government, opinion and understanding.

"In Catalonia it is not possible to keep making mistakes for a minute longer."

The statement says the Prime Minister has failed to understand "nati...