Are you black enough? New affirmative action quotas in Brazil, one of the world's most racially diverse nations, launch a controversial dialogue about race and identity. Wide Angle follows the lives of four students of diverse backgrounds competing to win a coveted spot at the elite University of Brasilia, where 20 percent of the incoming freshmen must qualify as Afro-Brazilian. Brazil has long presented itself as a colorblind "racial democracy," but deep disparities in income, education, and employment have finally prompted a campaign for equal treatment for Afro-Brazilians. Brazil in Black and White captures a unique moment as a nation looks in the mirror.

Tuesday, 9/4/07 from 10-11 p.m. ET