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Social Development Minister Ernesto Cordero (L), addresses the audience as Finance Minister Agustin Carstens (C) and Mexico's President Felipe Calderon listen, in Mexico City December 9, 2009. Calderon nominated Finance Minister Agustin Carstens on Wednesday to head the country's central bank, freezing out current Governor Guillermo Ortiz who annoyed the government last year by raising interest rates. Calderon replaced Carstens as head of the finance ministry with Ernesto Cordero, the social development minister and a relative unknown. REUTERS/Alfredo Guerrero/Mexico Presidency/Handout (MEXICO POLITICS BUSINESS) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS