It works as a free agent.

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In the most famous case, America's tax breaks allow it in effect to hire the world's most successful businessman, Bill Gates, as its agent for good works, buying the public the benefit of his acumen.

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Having negotiated these deals from the team side for 10 years, I know the code of how this works: teams tell the agent that the deal terms remain confidential yet fully expect the agent to call his media contact of choice to spin it most positively.

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