Kucinich won only 49-46% in 1996, although that was against an incumbant who had been elected by 13 points in 1994 and the district was slightly different back then (I'm not sure whether the district is more Democratic now or less). He recieved 75 and 74 percent of the vote, respectively, in 2000 and 2002. His campaign for President on the far-left of the Democratic party may cause his percentage of the vote to drop significantly, but I'd be very surprised if he got less than 55% of the vote.
Sincerely,
Kevin Lamoreau
The state has been gerrymandered to the Reps' advantage since, so I'd be surprised if Kucinich's has not become more Democratic.