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A federal judge Wednesday questioned the Justice Department's decision to require tobacco companies to fund a five-year, $10 billion nationwide stop-smoking program, rather than a recommended 25-year, $130 billion plan.

The Supreme Court ruled 6-3 Monday that federal authorities may prosecute patients whose doctors prescribe medical marijuana despite state laws that allow its use. Following a background report on the ruling, Gwen Ifill hosts a debate on the consequences of…

Antonio Villaraigosa was elected last month as Los Angeles' first Hispanic mayor in over 100 years. The mayor-elect joins Ray Suarez to discuss the challenges he faces in his new role.