#1, people aren’t going to listen to Rush for advice on who to pick. If they would of, they’d already be supporting Fred.
#2, if Rush picks someone (lets say Fred), and he gets beat in SC, Rush looks like a total loser. This is why he doesn’t endorse, he doesnt want to put himself in that position.
NRA is a member organization. Member organizations, for the most part, walk in line and tow the company line.
They carry clout the same way evangelical leaders get their bible thumpers in a row.