Many states have legalized the sale of marijuana for personal
and/or medical purposes. However, it is still a federal crime to
sell marijuana in any of the 50 states, regardless of the state
laws. Income from any and all sources, including illegal
activities, is taxable at the federal level, including income from
the sale of marijuana. What has the tax court ruled about tax
deductions for business expenses for those engaged in the sale of
marijuana? Cite and summarize at...