The problem with lighting a fire under yourself (or having it lit for you) is that eventually your backside gets burned.

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Dar Es Salaam, Tanzania (CNN) -- Kenyan blogger Ory Okolloh has lit a fire under the African blogosphere with her posts about politics, human rights and other controversial issues.

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Then with a flick of his igniter he lit a gorging fire that turned the evening sky red and yellow and black.

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Just a month before, in Tunisia, a vegetable seller triggered the Arab Spring when he doused himself with petrol and lit himself on fire.

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