In the coming confused days, the United States and South Korea should make clear to Pyongyang’s diplomats that no destabilizing actions will be tolerated and that the two will act to protect their joint interests and uphold peace on the peninsula and in the region, including Japan.

Roger Bate, author of the new book, “Phake: The Deadly World of Falsified and Substandard Medicines,” has found some incredibly realistic -- and deadly -- fake medicines. Which are real and which are phony? See if you can tell the difference.

The temptation on Capitol Hill is for Republicans to just crow briefly that "we told you so," issue a few press releases, hold a hearing or two, and then wait for another low-hanging rotten fruit of ObamaCare to fall off the tree through the forces of economic and political gravity. They should instead think more strategically about this opportunity.

In the debt-limit negotiations, Mitch McConnell's plan might be the least bad of the currently possible options. But what's particularly frustrating is how McConnell is selling his proposal.

What do America’s memorials and monuments tell us about our nation and our identity as citizens? How should we memorialize past events and individuals?

This week's UN Environment Program meeting on insecticide use will surely be enlivened by the Southern African Development Community's recent decision to start producing DDT to combat malarial mosquitoes.

When it comes to the biggest issue of the day--the revolt of Middle East publics against their leaders--China has nothing to say.