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US President Barack Obama speaks about race in the context of the not guilty ruling of George Zimmerman in the killing of Florida teenager Trayvon Martin in February 2012, as he appears at the start of the Daily Press Briefing in the Brady Press Briefing Room at the White House in Washington, DC, July 19, 2013. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
US President Barack Obama speaks about race in the context of the not guilty ruling of George Zimmerman in the killing of Florida teenager Trayvon Martin in February 2012, as he appears at the start of the Daily Press Briefing in the Brady Press Briefing Room at the White House in Washington, DC, July 19, 2013. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)

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Was Obama's speech on race historical?

Historian Douglas Brinkley puts Obama's speech on race in context.

Was Obama's speech on race historical?

Historian Douglas Brinkley puts Obama's speech on race in context.