Six experts weigh in on the consequences for the U.S. economy if Congress creates a greenhouse gas cap-and-trade system.

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.

The threat posed by the al-Qaeda-Taliban relationship is a crucial element in U.S. strategic planning in Afghanistan. Four experts explore the changing nature of these sometimes murky ties.

In his address to the nation on Tuesday, U.S. President Barack Obama laid out a strategy he says will turn the tides in the faltering Afghan war effort. Five experts analyze his approach.

As the U.S. Senate debates the healthcare overhaul, experts are divided on whether proposed legislation would stifle U.S. economic and business competitiveness.