Says Joe Wierzbicki of Russo, Marsh:
I think what you'll find is, at Tea Party rallies, a lot of the people who are mad at the Republican Party, many of them are Republicans themselves.
We'd asked similar questions of Russo, Marsh, which is run by California Republican political operative Sal Russo, but never gotten a response.
The whole CNN report is worth watching:
Over the weekend, Tea Party Express sent out an email designed to push back against what it called "false and malicious attacks" by TPMmuckraker and others.