Rob Portman, Ted Strickland take the gloves off during second U.S. Senate debate

Democratic U.S. Senate nominee Ted Strickland and incumbent Republican U.S. Sen. Rob Portman traded attacks early and often during Ohio's U.S. Senate debate in Columbus on Monday night. COLUMBUS, Ohio-U.S. Sen. Rob Portman and Democratic rival Ted Strickland largely put the issues aside Monday night during their second debate, choosing instead to focus on attacking each other.