Most Americans don’t believe their personal information is secure online and aren’t satisfied with the federal government’s efforts to protect it, according to a poll. The poll by The Associated Press-NORC Center for Public Affairs Research and MeriTalk shows that 64 percent of Americans say their social media activity is not very or not at all secure. About as many have the same security doubts about online information revealing their physical location. Half of Americans believe their private text conversations lack security. And they are not just concerned. They want something done about it. Nearly three-quarters of Americans say they support establishing national standards for how companies can collect, process, and share personal data. “What is surprising to me is that there is a great deal of support for more government action to protect data privacy,” said Jennifer Benz, deputy director of the AP-NORC Center. “And it’s bipartisan support.” But …