"It really wasn't a factor," he said. "Some people say it would have hurt me. Some people say it would have helped me. The country is obviously moving on that issue."
Mr. Portman, who directed the Office of Management and Budget (OMB) under President George W. Bush, made waves last year when he came out in support of same-sex marriage after his son, Will, said he was gay, but he told The Associated Press the decision not to run didn't hinge on that issue.