Spanish voters on Sunday are expected to dismiss the Socialist government of Prime Minister Jose Luis Rodriguez Zapatero and usher in the conservative People's Party (PP) and its leader, Mariano Rajoy. Mr. Zapatero’s Socialist party (PSOE), which has been in power for eight years, has borne the brunt of public blame for Spain’s increasingly perilous economic situation, which has tainted the party’s leadership candidate, Interior Minister Alfredo Perez Rubalcaba. Meanwhile, Mr. Rajoy has been coasting toward an expected landslide victory without saying much about how he plans to reverse Spain’s economic course... The situation is bleak for the eurozone’s fourth-largest...