Schoolchildren tour the bus that civil rights icon Rosa Parks made famous when she refused to give up her seat. Bill Pugliano/Getty Images hide caption

itoggle caption Bill Pugliano/Getty Images

A photo taken of the clown who wore a mask resembling President Obama during a rodeo Saturday at the Missouri State Fair. Jameson Hsieh/AP hide caption

itoggle caption Jameson Hsieh/AP

Cecile Kyenge's appointment in April as integration minister was hailed as a landmark for diversity in Italy. But since then, she's been the target of death threats and vicious racial slurs. Alberto Pizzoli/AFP/Getty Images hide caption

itoggle caption Alberto Pizzoli/AFP/Getty Images

A photo taken of the clown who wore a mask resembling President Obama during a rodeo at the Missouri State Fair on Saturday. Jameson Hsieh/AP hide caption

itoggle caption Jameson Hsieh/AP

More than 1,000 people turned out Monday for a Demonstration of Solidarity at Oberlin College. Classes were cancelled after a string of racist incidents on campus. Gus Chan/The Plain Dealer /Landov hide caption

itoggle caption Gus Chan/The Plain Dealer /Landov