The Romney campaign may want to reign this guy in as mainstream, national Republicans depend on getting some fraction of the union vote, so they usually avoid letting slip direct, full on, anti-union rhetoric:

Pack it in, Unions. It’s over.

— Brett Doster (@BrettDoster) June 6, 2012

Brett Doster
@BrettDoster
Florida Senior Advisor, Romney for President; President, Front Line Strategies; Partner, the Revolution Agency
Tallahassee, FL flstrategies.com