A controversial amnesty for Catalan separatists has entered into force in Spain. The “Law for institutional, political and social normalization in Catalonia,” published in the Spanish Official Gazette on Tuesday, means that separatists who fled abroad to escape the Spanish justice system can return home without fear of arrest. Most notable among these figures is former regional government leader Carles Puigdemont, who was wanted for holding what the Spanish authorities regarded as an illegal referendum on Catalan independence nearly seven years ago. The adoption of the amnesty law in parliamen…