Museum displays include examples of robes worn by the men, women and children of the Ku Klux Klan. Bill Bitzinger/Ferris State University hide caption

itoggle caption Bill Bitzinger/Ferris State University

The FlyRights mobile app, created by The Sikh Coalition, will be available for download on Androids and iPhones starting Monday, April 30. Courtesy of The Sikh Coalition hide caption

itoggle caption Courtesy of The Sikh Coalition

Sen. Marco Rubio, R-Fla., the son of Cuban immigrants, has urged his fellow conservatives to soften their rhetoric on illegal immigration. Above, he makes a campaign stop with Republican presidential candidate Mitt Romney on Monday in Aston, Pa. Jessica Kourkounis/Getty Images hide caption

itoggle caption Jessica Kourkounis/Getty Images

A crowd of more than a thousand rallied in Los Angeles on May 2, 1992, calling for healing between Koreans and the African-American community. David Longstreath/AP hide caption

itoggle caption David Longstreath/AP

Smoke rises as fires burn out of control near Vermont Street in Los Angeles on April 30, 1992. Riots erupted after L.A. police officers were acquitted in the beating of black motorist Rodney King. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

After suffering from injuries from the beating and struggling publicly with alcoholism, today Rodney King is contented, sober and engaged — to Cynthia Kelley, who served on the jury of King's civil trial against the city. Morgan St. John hide caption

itoggle caption Morgan St. John

White Citizens' Council leader Asa Earl Carter denounces school integration in Clinton, Tenn., on Aug. 31, 1956. AP hide caption

itoggle caption AP

President Obama's re-election campaign has released four new Spanish-language ads, each ending with the phrase: "Esta eleccion si importa," which in English means, "This election does matter." barackobama.com hide caption

itoggle caption barackobama.com