The crisis of democracy identified in the 1970s never really went away; it was just papered over with temporary solutions and obscured by a series of lucky breaks.

Now, more than ever, the United States might be tempted to pull back from the world.

Republicans need to start taking foreign policy more seriously, thinking hard about the thorny task of managing a superpower and not leaving it as a plaything for right-wing interest groups. Failure to do so quickly could be catastrophic, ceding this ground to Democrats for the a generation at least.

The amount of resources the American public and private sectors commit to all forms of welfare is massive -- the fifth highest outlay in the world.

From the demise of the gold standard in the 1970s to the battle over financial reform today, Paul Volcker has helped shape U.S. economic policy for decades.

Richard A. Falkenrath says Showtime's blockbuster series Homeland is great television, but not a useful guide to real-world homeland security. Hint: we always tap the suspect's cell phone.

Rather than focus on dramatic raids and high-tech drone strikes, special operations should refocus its attention on working with and through non-U.S. partners to accomplish security objectives, says Linda Robinson.

Today, 214,098 women serve in the U.S. military, representing 14.6 percent of total service members.

Over the next decade, the U.S. military will need to undertake the most dramatic shift in its strategy since the introduction of nuclear weapons more than 60 years ago.

For all the differences between Democrats and Republicans that were laid bare during the 2012 U.S. presidential campaign, the parties' standard-bearers, Barack Obama and Mitt Romney, do seem to have agreed on one thing: the importance of equal opportunity.

The argument of Thomas Ricks' new book, The Generals, is simple: since the end of World War II, the combat performance of the U.S. Army has been subpar, primarily because the highest-ranking generals have been reluctant to fire underperforming generals lower in the chain of command.

The War of 1812 gets no respect. It's easy to see why: the causes of the war are still subject to debate, and they were sometimes unclear even to the warring parties.

Andrea Campbell tips her hand partway through her essay "America the Undertaxed" (September/October 2012) when she writes that "the central debate in U.S. politics is whether to keep taxes, particularly federal taxes, at their current levels in the long term or emulate other advanced nations and raise them."

Pundits predicted that the U.S. Supreme Court's ruling on the Affordable Care Act would make history.

Compared with other developed countries, the United States has very low taxes, little income redistribution, and an extraordinarily complex tax code.

For two decades, the United States has dominated the global arms trade, reaping a broad range of economic and geopolitical benefits in the process.

Discussions of Hispanic Americans in the media and on the campaign trail are warped by ignorance about who they really are and what they really want.

According to Daron Acemoglu and James Robinson's Why Nations Fail, economic development hinges on a country's political institutions.

In the latest installment of his epic biography of U.S. President Lyndon Johnson, Robert Caro reveals a man who obsessively sought power to assuage a misplaced sense of his own suffering.

The warnings of The Limits to Growth were far more prescient than Bjørn Lomborg suggests, argue several critics, including two of the book's authors.