Wednesday's top stories:
• President Biden gave a speech at the Greenwood Cultural Center Tuesday to commemorate the 100-year anniversary of the 1921 Tulsa Race Massacre.
• Researchers began the exhumation process of human remains thought to belong to massacre victims discovered in a mass grave in Oaklawn Cemetery last year.
• The Oklahoma Supreme Court ruled Tuesday that the state acted unlawfully in awarding contracts to private companies for managing Medicaid expansion.