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WATCH: PBS NewsHour On The Grammys: How The U.S. Became The Hip-Hop Nation

The Grammys are catching up with public opinion by recognizing hip-hop artists in its top categories this year

At Harvard University’s Hiphop Archive & Research Institute, the genre and its history is the subject of academic study as a brilliant source of critique and expression. Special correspondent Charlayne Hunter-Gault learns more from Harvard's Marcyliena Morgan.