And what my colleagues and I have found is that they all grow out of one key truth: The world does not always have to be as it is today.

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The truth is that among all the key skills a social entrepreneur can have, I see none as more important than being able to effectively create awareness for your cause.

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And I agree that telling the truth as you understand it is one of the key elements of being trustworthy.

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Schachte gained notoriety in 2004 as a key figure in the Swift Boat Veterans for Truth campaign against John Kerry.

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Several other key witnesses, including the president of Chad's truth commission, Mahamat Hassan Abakar, are also expected to testify.

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The key is education - an earnest facing-up to the full, tragic truth by both populations.

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"The key to the handling of the accident is whether we let people know the truth, " he said.

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One lesson is key: It is possible to win all the battles and still lose the war, a basic truth in any counterinsurgency campaign.

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