How Celebrity Activism Has Evolved in the Past 50 Years, and its Implications Today Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Actress and activist Jane Fonda accompanied by actress Susan Sarandon, left, and actor Joaquin Phoenix second from left, a long with others protest, for the last "Fire Drill Fridays." ( AP Photo ) Produced by PRI, PRX and WNYC