They're trying to pack the house and do some sort of...

They're trying to pack the house and do some sort of made-for-TV show of strength. But the bottom line is that you're spending all that money to speak to a room full of people who have already made up their minds. You can spend a lot of money for bells and whistles and dog and pony shows. But that doesn't build your organization, and caucuses are about organization, not bells and whistles.