Meet the 9-year-old high school graduate and aspiring astrophysicist

9-year-old David Balogun is one step closer to achieving his dream of becoming an astrophysicist after obtaining his high school diploma. CN...

9-year-old David Balogun is one step closer to achieving his dream of becoming an astrophysicist after obtaining his high school diploma. CNN affiliate WGAL has more.

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