From the Portman Campaign’s web site:
The U.S. Senate campaigns of Lt. Governor Lee Fisher and Rob Portman today announced their participation in a series of three one-hour debates in conjunction with the Ohio Newspaper Organization. The debates, which will be held in Toledo, Cleveland and Columbus, will be done in accordance with the Ohio Newspaper Organization rules and will feature a panel of four journalists and a local broadcast partner. The Cleveland debate will be held at the City Club on October 8th. Other debate dates and locations, along with other details, will be announced in the near future.