Article Photos: Mexico swears in president amid violent protests 54/54

Protestors attempt to intimidate riot police with a pole in the streets of downtown Mexico City, Saturday, Dec. 1, 2012.  Protests against Mexico's newly sworn-in President Enrique Pena Nieto began early Saturday morning with violent confrontations in the streets and protest speeches from opposition parties inside the congress. Protestors continued through the afternoon, vandalizing downtown businesses, smashing storefront glass windows and setting office furniture ablaze.  (AP Photo/Marco Ugarte)