They are in part, jealous, that Perry has been launched to the top in just weeks, has raised admirable amounts of support and money, but more significantly, he has gained wide appeal to a very broad range of voters.
It's how he won 3 terms as Governor, it's how he will win this election. This rag-tag bunch of bitter populists are powerless to stop it. Because of their nasty demeanor, I can say, it serves them right.
If anyone would know nasty, it’s you.