I've felt that this was the case for quite a while now. The last significant moment in which I felt there was any noticeable fire burning in Ron Paul, it was during his direct argument with Huckabee. You remember, the one where he logically laid Huckabee's argument of "honor" to rest.
I think that people with a considerable amount of intellect and awareness are in alignment with Ron Paul's views. His positions are fine as they are. He can depend on the people who will take time to dig deeper (who care at all for politics), to vote for him. As someone else already said, its the American Idol crowd that we're fighting for now. I agree that he must repeatedly reiterate his message so that new viewers may get a basic understanding of what he stands for when they're watching. Personally, as I believe might be the same case for some of you, it would mind boggle me if people had a clear understanding of Ron Paul and still chose to vote against him. It definitely must be that something simply doesn't click.
The op is absolutely right in that the delivery of the message needs to be marketed correctly and more descriptively. As much as I hate to say it, the campaign may have to direct its campaign towards a 14 year old's intellectual capacity. I don't want to say that my fellow citizens are dumb, but recent polls (41% war opposition voting for McCain...?) leave me no choice. As someone else already stated, advertisements, and Ron Paul himself, need to do a better job with getting the message clearly understood by everyone.
Ron definitely needs to be more aggressive. As the only candidate on the republican platform advocating for the removal of the troops in Iraq, among other countries and other issues, he has to put in extra work to counter the positions of his counterparts. He basically has to shine just as bright as, if not more than, everyone else fighting for the republican nod...combined.
As far as calling out other candidates, I see no problems with that as long as he does it strategically. Paul's strong point is the Constitution, which is undoubtedly gives him some leverage. With his record, I see no reason why he shouldn't use it to his advantage. To us who support him, he kind of comes off as a wise man among children. If he can act on that and further emphasize his position as such, it would really help the campaign.
These are parts of the campaign that need to be improved. My concern, however, is how do we get that message from here, to Ron Paul.