Changes

*'''Ohio'''

*'''Ohio'''

Moderate Republican [[George Voinovich]] has announced he will not seek a third term. The Democratic field includes Lieutenant Governor [[Lee Fisher]] and Ohio Secretary of State [[Jennifer Brunner]]. Fisher has received the endorsement of Democratic Governor [[Ted Strickland]]. Meanwhile, Republicans have rallied behind [[Rob Portman]], former Congressman and Director of the [[Office of Management and Budget]]. The race is expected to be one of the most competitive in the election cycle. A March 2010 Rasmussen poll has Portman leading Fisher and Brunner. <ref>http://www.rasmussenreports.com/public_content/politics/elections2/election_2010/election_2010_senate_elections/ohio/election_2010_ohio_senate</ref>

Moderate Republican [[George Voinovich]] has announced he will not seek a third term. Lieutenant Governor [[Lee Fisher]] won the Democratic nomination over Ohio Secretary of State [[Jennifer Brunner]] with 55% of the vote, a much closer margin than polls had shown. <ref>http://thehill.com/blogs/ballot-box/dem-primaries/96111-fisher-wins-ohio-dem-senate-primary-will-face-portman</ref>Fisher has received the endorsement of Democratic Governor [[Ted Strickland]]. Meanwhile, Republicans have rallied behind [[Rob Portman]], former Congressman and Director of the [[Office of Management and Budget]]. The race is expected to be one of the most competitive in the election cycle. A March 2010 Rasmussen poll has Portman leading Fisher and Brunner. <ref>http://www.rasmussenreports.com/public_content/politics/elections2/election_2010/election_2010_senate_elections/ohio/election_2010_ohio_senate</ref>

===Democratic incumbents===

===Democratic incumbents===