The consistent improvement in America's energy efficiency is an untold and underappreciated long-term story.

The inclusion of former Eastern bloc nations in the European Union will change Europe politically, economically, and culturally.

One of the biggest challenges for European security and stability lies in assimilating immigrants into European societies.

Lithuanian mainstream media and think-tank analysts view the Paksas affair, and now the Prunskiene candidacy, in the context of Russian attempts to change Lithuania's -- and other ex-Soviet-ruled countries' -- western orientation by exploiting various internal economic or political vulnerabilities. In the case of Lithuania, this is almost certainly the lastchance for Moscow.

The conditional offer to negotiate with a large Muslim nation on E.U. membership is already stirring political debate in Europe. It is a debate that can be extraordinarily dangerous or extraordinarily useful -- for Europeans and Americans alike -- depending on how it is managed and whether it is integrated into a more productive transatlantic approach to the global campaign against Islamic terrorist networks.

Paul Wolfowitz, U.S. deputy secretary of defense and a leader in neoconservatism, challenges Europe to back the spread of democracy and explains why America is not an empire.

Americans are generally skeptical of or indifferent to the European Union. They shouldn't be. The United States has an important interest in the direction the E.U. takes in coming years.