A detainee who took a prison caseworker hostage at knifepoint does not have a claim of excessive force against an officer who helped rescue the victim, a federal judge held.In a written opinion this week, U.S. District Judge Steven C. Seeger granted summary judgment in favor of Lt. Carl Williams of the Federal Bureau of Prisons in a lawsuit filed by Carleous Darrell Clay.The undisputed evidence shows Williams used reasonable force in his encounter with Clay in the Metropolitan Correctional Center in Chicago, Seeger held.He …