President Obama announces the establishment of the Cesar E. Chavez National Monument on Monday, Oct. 8, 2012, in Keene, Calif. The property is recognized worldwide for its historic link to civil rights leader Cesar Chavez and the farm worker movement. (AP Photo/Mark J. Terrill)

Photo by: Mark J. Terrill

President Obama announces the establishment of the Cesar E. Chavez National Monument on Monday, Oct. 8, 2012, in Keene, Calif. The property is recognized worldwide for its historic link to civil rights leader Cesar Chavez and the farm worker movement. (AP Photo/Mark J. Terrill)