Celebrities with roots in Somalia are now speaking out on the famine. A few days ago, Somali-Canadian rapper K'naan joined U2 lead singer Bono on stage at a concert in Minneapolis to support the local Somali community's humanitarian efforts. "Yes, I'm the wavin' flag guy," says K'naan on his Twitter account, referring to his hit single that became the commercial anthem of the 2010 World Cup in South Africa. He's also an activist, and a staunch supporter of affordable medicines for Africa and of education for children in Somalia and Haiti. Bono, of course, is well-known for his own activism. He is co-founder of the charity ONE, which campaigns against poverty in Africa.

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