BERLIN - SEPTEMBER 18: A fourth-grade student reads a book with her teacher in the elementary school at the John F. Kennedy Schule dual-language public school on September 18, 2008 in Berlin, Germany.
A wide grin spread across Niesha Marshall’s face as she watched the purple go-kart zip across her computer screen. It worked. The game worked. “I was really proud of myself…I just couldn’t believe it, ...