CNN's David Ariosto, Tom Cohen, Barbara Starr, Keating Holland, Nick Paton Walsh and journalist Masoud Popalzai contributed to this report.

CNN: Obama signals Afghan war's next chapter

"There's a silence that falls upon the room as the kids watch him play, " said Tom Chau, vice president for research at Holland Bloorview, and who developed the Virtual Music Instrument.

CNN: One-handed violinist helps the disabled make music

Working with a group that included Tom Frei, of the National Cancer Institute, and James Holland, of the Roswell Park Cancer Institute, Freireich started treating ALL patients with a combination of drugs.

NEWYORKER: The Treatment