Americans lack confidence in the government’s ability to protect their personal safety and economic security, a sign that their widespread unease about the state of the nation extends far beyond politics, according to the latest Associated Press-GfK poll. […] The poll found that Democrats tend to express more faith in the government’s ability to protect them than do Republicans. Yet even among Democrats, just 27 percent are confident the government can keep them safe from terrorist attacks. Fewer than 1 in 5 say so on each of the other issues, including climate change. […] Urbanites tend to be more confident...