The arrest of one of the government’s leading critics here by armed state agents has angered the opposition, which rallied in protest Friday as condemnation mounted, much of it coming from former regional leaders and human-rights groups. “It’s becoming clearer every day that we’re living in a dictatorship,” Mitzy Capriles, wife of this capital city’s mayor, Antonio Ledezma, said in an interview a day after intelligence-service commandos broke down her husband’s office door and took him into custody. The 59-year-old Mr. Ledezma—one of the few remaining conservative lawmakers whose career survived the rise of late leftist firebrand Hugo Chávez in 1998—was charged in court Friday to face charges of conspiracy to “organize and execute violent acts,” against the government, state prosecutors said. Attempts to contact a lawyer for Mr. Ledezma weren’t successful. The attorney general said Mr. Ledezma, who leads an antigovernment movement, was also suspected of coordinating […]