Argentinian President Cristina Fernandez announces a bill to nationalize YPF, at Government House in Buenos Aires, on April 16, 2012. Photographer: Natacha Pisarenko/AP Photo
Argentinian President Cristina Fernandez announces a bill to nationalize YPF, at Government House in Buenos Aires, on April 16, 2012. Photographer: Natacha Pisarenko/AP Photo