
Members of the audience look to the stage as President Obama speaks at the Cesar E. Chavez National Monument on Monday, Oct. 8, 2012, in Keene, Calif. (AP Photo/Carolyn Kaster)

Los Angeles Mayor Antonio Villaraigosa takes a photo with his phone as President Obama speaks at the Cesar E. Chavez National Monument on Monday, Oct. 8, 2012, in Keene, Calif. (AP Photo/Carolyn Kaster)

A baby is held up in the crowd Oct. 8, 2012, before President Obama announces the establishment of the Cesar E. Chavez National Monument in Keene, Calif. (Associated Press)

Actress Rosario Dawson (center) and Los Angeles Mayor Mayor Antonio Villaraigosa (right) cheer Oct. 8, 2012, as President Obama speaks at the establishment of the Cesar E. Chavez National Monument in Keene, Calif. (Associated Press)

An attendee holds a picture of Cesar Estrada Chavez on Oct. 8, 2012, as President Obama announces the establishment of the Cesar E. Chavez National Monument in Keene, Calif. (Associated Press)

President Obama greets supporters Oct. 8, 2012, at the Cesar E. Chavez National Monument in Keene, Calif. (Associated Press)

President Obama speaks Oct. 8, 2012, at the Cesar E. Chavez National Monument in Keene, Calif. (Associated Press)

A supporter of President Obama holds a photo of Cesar Estrada Chavez on Oct. 8, 2012, while waiting for the president to announce the establishment of the Cesar E. Chavez National Monument in Keene, Calif. (Associated Press)

Paul Chavez, son of civil rights icon Cesar Estrada Chavez, speaks Oct. 8, 2012, before President Obama announced the establishment of the Cesar E. Chavez National Monument in Keene, Calif. The property is recognized worldwide for its historic link to Chavez and the farm worker movement. (Associated Press)