Safety experts and advocates say they're struggling to convince Americans to stop driving distracted, even as a growing body of evidence shows that drivers who insist on texting or talking on cell phones while behind the wheel pose deadly threats on the nation's roads. Survey data from State Farm released earlier this month showed that a majority of American drivers admit to distracted driving. The problem, according to one expert, is that Americans overestimate their own ability to stay focused while driving and texting or talking on the phone. To many drivers, being responsible means using hands-free technology such as headsets or voice-activated systems. But some safety advocates argue that hands-free technology isn't risk-free and want public education campaigns to include that message. Currently, more than 40 states ban texting for drivers, and 12 states ban hand-held cell phone use. No state has banned all cell phone use in cars. But legislation may not be the solution to the problem, said Christopher Hart, a member of the NTSB. What's needed, he said, is a culture shift. "It's going to take very effective education, because so many people think it's quite ok to multitask and to drive and text at the same time," he said. Read more.