University students shout at police during a protest inside the University of Puerto Rico in San Juan, Puerto Rico, Monday Dec. 20, 2010. Students are on indefinite strike to protest an $800 yearly fee that takes effect next year to help reduce the system’s budget deficit. Students already pay $49 per credit. (AP Photo/El Nuevo Dia, J. Ismael Fernandez Reyes) PUERTO RICO OUT – NO PUBLICAR EN PUERTO RICO
