FILE - In this Dec. 10, 2013 file photo, Argentina's President Cristina Fernandez pauses as she speaks at an event marking the 30 year anniversary of the return of democracy in Buenos Aires, Argentina.  After more than one month of silence, Fernandez is scheduled to speak in public on Jan. 22, 2014. The president's silence has fed speculation in Argentina about Fernandez's health since head surgery in October and questions about who is running the country. (AP Photo/Victor R. Caivano, File)

Photo by: Victor R. Caivano

FILE - In this Dec. 10, 2013 file photo, Argentina's President Cristina Fernandez pauses as she speaks at an event marking the 30 year anniversary of the return of democracy in Buenos Aires, Argentina. After more than one month of silence, Fernandez is scheduled to speak in public on Jan. 22, 2014. The president's silence has fed speculation in Argentina about Fernandez's health since head surgery in October and questions about who is running the country. (AP Photo/Victor R. Caivano, File)