In October, deputy State Department spokesman Mark Toner told CNN that although the United States and Italy have an extradition treaty, he was not able to answer speculative questions on extradition issues.

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In 2011, deputy State Department spokesman Mark Toner told CNN that although the United States and Italy have an extradition treaty, he was not able to answer speculative questions on extradition issues in the Knox case.

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The answers to such questions can often be little more than speculative.

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Pomeranets and Weaver reviewed market quality to answer the following questions: Is a Robin Hood tax effective at reducing volatility and speculative trading?

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