Jack Fairweather's new book argues the war could turn out to be the defining tragedy of the 21st century.
Medical marijuana is now legal in nearly half of all U.S. states, but doing research on the drug is harder than one might think. Because of federal laws and regulations, it can take years to get the approval necessary to start a study.
University of Arizona doctor Sue Sisley says she was fired for her research on marijuana. Sisley was leading a federally-approved study on post-traumatic stress disorder (PTSD) and medical marijuana, when the university cut ties with her.
A university spokesman says the decision was not politically motivated, and the school wants to continue the research on its campus. The case highlights the complexity and politics of pot research.
Sisley speaks to Here & Now’s Jeremy Hobson.
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