What does 2013 have in store for the global economy? We asked five distinguished experts to identify the most important trends, challenges, and opportunities in the upcoming year.

U.S. military leaders are calling for more troops to carry out U.S. counterinsurgency strategy in Afghanistan. Six analysts offer views on how President Barack Obama should respond.

Four experts discuss the merits of the Obama administration’s proposed $60 billion arms deal with Saudi Arabia.

The worst oil spill in U.S. history, still growing in the Gulf of Mexico, has intensified debate about alternative fuel options. Here, four experts discuss how to reduce U.S. oil consumption.

Fears of bird flu dominated last week’s headlines. First, scientists announced their discovery October 5 that the 1918 outbreak of influenza, which killed 50 million people, was caused by bird flu th…