"Many of these people can’t vote, they are too young to vote yet, but they know what’s going on," Obama said during a meeting with youths in Berlin.
The Recording Academy behind the awards gala has faced a barrage of criticism for not embracing diversity within its ranks
Tuesday's speech comes on the eve of "Mandela Day" his birthday, which is marked around the world every year on July 18.
Obama's lecture will be at the Ellis Park Arena on July 17, a day before Mandela's birthday
Dennis Carlson, a white data analyst at a nearby health insurance company, also believed Obama was not responsible.
Biden's jaw dropped, he rolled his head back and turned his face away from the audience to wipe away the tears.
The ministry is also seeking to ban diplomats from using a holiday home located in western Moscow.
Gold Butte is fabled for its ancient rock art, sweeping vistas and twisted pastel-colored sandstone formations.
Check out a selection of the best pictures from around the globe this week.
The pair were due to meet in the Lao capital of Vientiane at a gathering organised by the ASEAN.
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