Greenberg Carville Shrum

Greenberg Carville Shrum (GCS) is an American political campaign strategy group.

People

 * Stan Greenberg (GCS Pollster), now of Greenberg Quinlan Rosner
 * James Carville (GCS Strategist), political pundit, advisor to president Bill Clinton
 * Bob Shrum, a political consultant
 * Tad Devine (GCS Advertising Consultant)