First-grade teacher Euginia Miller reads to her class at Avondale Elementary School in Birmingham, Ala. In this crucible of the civil rights movement, the city's schools are being reintegrated, as a handful of middle-class parents ignore the school district's poor reputation and enroll their kids in the city's public schools. Dan Carsen/WBHM hide caption

itoggle caption Dan Carsen/WBHM

James Meredith is escorted by U.S. Marshals. A riot broke out in 1962 when Meredith tried to enroll at the University of Mississippi. AP hide caption

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Families in a predominantly Latino youth soccer league gather for matches in Aurora. Hispanics make up nearly a third of the city's population, according to the 2010 Census. Megan Verlee for NPR hide caption

itoggle caption Megan Verlee for NPR

Four years ago, then-presidential candidate Barack Obama was greeted warmly at the Congressional Hispanic Caucus Institute's awards gala in Washington, D.C. Polls show Obama retains strong Hispanic support this year, but also that many who are eligible don't plan to vote. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images