What everyone needs to know

"Historically, Americans have seen libertarians as far outside the mainstream, but with the rise of the Tea Party movement, libertarian principles have risen to the forefront of Republican politics. But libertarianism is more than the philosophy of individual freedom and unfettered markets that Republicans have embraced. Indeed, as Jason Brennan points out, libertarianism is a quite different--and far richer--system of thought than most of us suspect....

A generation ago, "cyberspace" was just a term from science fiction, used to describe the nascent network of computers linking a few university labs. Today, our entire modern way of life, from communication to commerce to conflict, fundamentally depends on the Internet. And the cybersecurity issues that result challenge literally everyone: politicians wrestling with everything from cybercrime to online freedom; generals protecting the nation from...

"Immunization is regarded by many as one of the greatest advances in modern civilization. The widespread use of vaccines has led to increases in life expectancy, reductions in the occurrence of childhood diseases, and is generally credited with saving millions of lives annually. But since their discovery two centuries ago, vaccines have been dogged by pockets of persistent distrust among those who are skeptical of their science or who find compulsory...