Drones have become the U.S. weapon of choice in the fight against terrorism. But critics say the United States needs to be careful because its rationale for the use of the high-tech weapons could be abused by others.

At Sierra Community College in California, military veterans are counseled in navigating their studies, as well as the GI Bill or how to receive their veterans' benefits.

Late last week the attorney general, under pressure from lawmakers, appointed two prosecutors to look into leaks of national security secrets. But leak cases are notoriously difficult to prosecute, and the prospects for these cases are problematic.

The U.S. Supreme Court on Monday refused to hear appeals from seven prisoners at the U.S. detention facility at Guantanamo Bay, Cuba. In doing so, it declined to take a second look at how its four-year-old decision on the rights of Guantanamo detainees is being carried out.

Calls for an investigation into how sensitive national security details were leaked to the media intensified this week. Some lawmakers accused the White House of leaking classified information for political gain.

The White House and military brass are calling for the development of alternative energy. One goal is cutting dependence on foreign sources. Another is reducing the carbon footprint of the largest fossil fuel consumer in the world. But now some on Capitol Hill are blocking the effort to green the military. Audie Cornish talks with Juliette Kayyem of the Boston Globe about the fight.