[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2009/images/07/02/acosta.insurance.insider.art.jpg caption="Wendell Potter is the former chief spokesman for health insurance giant Cigna."] By CNN's Jim Acosta & Bonney Kapp Last year, Wendell Potter stepped down from his post as the chief spokesman for the health insurance giant, Cigna. Potter tells CNN he is finished with defending an industry he calls “beholden to … Continue reading Health insurance 'insider' speaks out