Cicerone.... read you own post.
It is not exactly clear what you meant by your metaphor. But, whether you are invoking an image of shooting infants, or sexual stereotypes, I don't think this the way the Obama campaign wants to be portrayed.
Listen carefully... Sarah Palin is a skilled politician.
Once you accept this, then it is perfectly acceptable (and profitable) for you to confront her on her policies and her political past.