A correct statement would be that there's no proof either the alleged sniping or even the staffers themselves are real. Certainly CNN could have fabricated them and their alleged comments. When it comes to the question of what constitutes sufficient "reason to believe" something or other, that is a completely subjective threshold which each person establishes for themselves, and which is frequently determined by their commitment to certain agendas.
The crux of this matter, and the point of the issue I raised, and which you are trying to avoid, was whether Palin's quote was authentic. Until that fact is established, then your speculations, assertions and your personal subjective threshold of belief about alleged sniping by McCain staffers is irrelevant, and completely uninteresting...
See #72.
And next time read the whole thread before you pop off.