This might get lost in all of the Inaugural news, but Politico posted a poll yesterday on the Ohio Senate race in 2010. Rob Portman leads all three potential Democratic candidates, but trails all off them in name recognition.
This might indicate that Portman is not totally assured of winning the GOP nomination in that race, and his lack of name recognition could be welcome news to other Republicans thnking of jumping in - namely State Auditor Mary Taylor. Might be an option worth, at least, considering