A worker gestures beside an YPF oil company truck near a plant in La Plata, Argentina, Thursday April 19, 2012. Argentine President Cristina Fernandez has defended the move to re-nationalization of ... more 
A worker gestures beside an YPF oil company truck near a plant in La Plata, Argentina, Thursday April 19, 2012. Argentine President Cristina Fernandez has defended the move to re-nationalization of YPF as part of a drive to restore her country's sovereignty, increase oil production and rely less on hydrocarbon imports.(AP Photo/Natacha Pisarenko) less 
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Associated Press | Photo By Natacha Pisarenko
Thu, Apr 19, 2012 2:04 PM EDT