State lawmakers on Thursday prodded Gov. Gavin Newsom’s $20M taxpayer-funded plan to polish California’s tarnished national image — questioning its real impact. The Governor’s Office of Business and Economic Development, or GO-Biz, recently awarded public relations powerhouse Edelman a contract worth most of that $20 million to burnish the Golden State’s reputation. Edelman — which also does work on behalf of mega-companies like Dove, Starbucks, eBay and Heineken — is tasked with combating “