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.

As China leaps into the new year with a new generation of leaders, four experts weigh in on what we can expect from the burgeoning power.

Seven experts examine how resolving pressing domestic policy issues, from education to infrastructure, could help bolster U.S. leadership internationally.

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.

With some findings of the UN’s Intergovernmental Panel on Climate Change in question, four experts debate how much the premier climate science review panel may need to make changes.