President Obama has signed one of the largest rescue packages since the Great Depression to revive the U.S. economy. Economists warn of the need to keep spending targeted, timely, and temporary.

Iraq’s failing economy helps feed the cycle of violence there. Beyond restoring security, however, experts disagree over how to resuscitate it.

President Barack Obama says he will seek vigorous climate-change policy. Efforts to curb greenhouse gases pose considerable economic pitfalls, as well as opportunities.

Angola, Africa’s top oil producer, is flush with money. Yet wealth remains concentrated in the hands of a very few, leaving the bulk of the population in poverty.

President-elect Barack Obama made many promises on defense spending and strategy during his two-year run for the White House. But analysts say economic constraints and political pressure could make i…