Question: And regardless of who supports them, these guys have a lot of expertise to offer, don't they?
They don't know about anything.

Answer: no

Question: But if his campaign really prospers and he has to explain what he believes, he'll have a hard time holding that coalition together.
If his campaign goes well he will have a hard time holding it all together.

Answer: yes

Question: Advertising Gets Political
Political advertising is the best way to get your message to the people.

Answer:
it is not possible to tell