MEXICO CITY (AP) - Enrique Pena Nieto took the oath of office as Mexico's new president Saturday vowing to restore peace and security and take on the vested interests that have hindered economic prosperity.
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Pena Nieto marked the return of the Institutional Revolutionary Party, or PRI.
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"Mexico has not achieved the advances that the population demands or deserves," Pena Nieto said in an inaugural speech
http://apnews.myway.com/article/20121202/DA2TC0Q02.html
Newly elected President Nieto's party, the PRI, held power from 1929 until 2000.
http://en.wikipedia.org/wiki/Institutional_Revolutionary_Party