The Oregon Court of Appeals has overturned Robert Keegan’s manslaughter conviction for his fatal shooting of a Black Ashland resident in 2020, clearing the way for a new trial. In a decision issued this month, the court ruled jurors were improperly instructed about a limitation to self-defense known as “combat by agreement.” Under Oregon law, someone generally cannot claim self-defense if they agreed to a fight beforehand.The appeals court said …