Jason, Bobby and Laren

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When Bobby, Jason and Laren returned to America, they turned their emotional video diaries from their journey into a documentary called Invisible Children. The students jumped into an RV and began traveling across the country, showing their film to as many people as possible.

Their efforts paid off. Bobby, Jason and Laren have raised more than $500,000 to help the children of Uganda, and now they're organizing a nationwide walk to rally more support. On April 29, 2006, people in 131 cities will participate in the Global Night Commute, a walk that mimics the nightly journey of Ugandan children. Participants will march en masse from one point to another and then sleep at their final destination.

Sign up for the Global Night Commute.

"Thousands and thousands of Americans have heard this story, and they're now taking action," Jason says. "They want to end this war."