Name: 13 year-old changes the world with his music
Uploaded: Sat Apr 05 2014 16:13:00 GMT+0000 (UTC)
Duration: 3 min 54 s
Description: Aidan Thomas Hornaday, a 13 year-old boy, joins Melissa Harris-Perry to discuss how he uses his harmonica and his website Aidan Cares to help change the world.

April 5, 201403:54