It is a pretty reasonable tactic because the goal is to achieve a policy, not to elect people with certain letters beside their names.
Did you listen to the Issa interview and are you still intersted in voting for him?
If you didn't like Issa, what good will it do to elect a flaming radical leftist in his place with a D by his name.
What is your theory that justifies electing more Democrats when the population of them in California have already just about bankrupted us?
I'm all ears for your response.