" if I were seriously to consider running on a national ticket, I would essentially have to start now, before having served a day in the Senate. Now there may be some people who are comfortable doing that, but I am not one of those people." A devastating McCain ad , I think. And I will remind you that I have taken a vow of cruel neutrality. I want to post devastating Obama ads too. Please point me to some! blog advertising blog advertisingHot Air : McCain to air ad tonight directly ad