The Supreme Court appeared hesitant Monday to endorse medical marijuana for patients who have a doctor's recommendation to smoke it.
Justices heard arguments Monday morning. They are considering whether sick people in Colorado and ten other states with medical marijuana laws can have pot, even though federal law considers the drug illegal.
The Supreme Court questioned whether state medical marijuana laws might be abused by people who aren't really sick.
Justice Stephen Breyer said supporters of marijuana for the ill should take their fight to federal drug regulators before coming to the Supreme Court.