The McCain / RNC Ayers ads

Marc Ambinder says they're not airing anywhere,

The ad, so far as media buying sources can tell, isn't running anywhere. Or if it is, they can't find it. Even the RNC ad mentioned below is airing in limited markets. Why? The McCain campaign worries that tough Ayers talk that's link to McCain will hurt them among certain demographic groups. So -- the campaign has yet to back up its talk with action.

'certain demographic groups' such as educated adults....