'Prepare for battle' against nationalism: Spain's Rivera He's young, liberal, Catalan and a fan of France's Emmanuel Macron and Canada's Justin Trudeau. Now, boosted by the separatist crisis which his centrist Ciudadanos party has long fought against, Albert Rivera has big ambitions -- dethroning Spain's current prime minister and becoming the first Catalan premier since the country transitioned to democracy in the 1970s.