The conventional wisdom among Monmouth County Republicans seems to be that Assemblyman Sean Kean has an edge over Assemblyman Steven Corodemus if both decide to seek the State Senate seat that becomes open in 2007 when Joseph Palaia retires. That feeling, Republican insiders say, is based on a recent trend of Republican County Committee from the 11th district supporting candidates backed by Kean — and not Corodemus — for Freeholder and County Chairman. Corodemus, who is more conservative than his running mate (and somewhat bitter rival), could skip the convention route and challenge Kean in the Republican primary. Democrats made a huge play for the 11th district Assembly seats in 2005, but fell a little short. They are expected to take another shot at picking up legislative seats in Monmouth County, and there chances could be buoyed by a divisive contest for the Senate.