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MIDDLE EAST AFFAIRS: The Islamic interpretation of the Yazidi faith is what members of ISIS used to justify the enslavement ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Adam Stone writes on technology trends from Annapolis, Md., with a focus on government IT, military and first-responder technologies. At Salem City Schools in Virginia, field trips go above and beyond ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. David ...