It's primary time. If you are voting Democrat, Ron Paul is irrelevant. The only place where liberals could lose votes is in open primaries where Paul voters would pick a Republican ballot. The likelihood of Paul winning increases Kucinich's chances of winning because no Democrat other than Kucinich could beat Paul.
So, how about we lay off of him until the general election? If he isn't nominated, it won't matter. He is better than the other Republicans.