3/31/07: Cesar Chavez Walk Los Angeles: More than seven thousands walk to honor Cesar Chavez/31/3/07: Caminada Cesar Chávez en Los Ángeles: Mas de siete mil caminan para honrar a Cesar Chávez More than seven thousand people including UFW President Arturo Rodriguez, Los Angeles Mayor Antonio Villaraigosa, members of Cesar Chavez's family, elected officials, celebrities, peace and labor activists, and over 3,000 K-12 students. Special guest walkers included The Black Eyed Peas, "Ugly Betty's" Tony Plana and Culture Clash's Herbert Siguenza. Musical entertainment by Upground.