A RQ-4A Global Hawk, an unmanned aerial vehicle, has crashed near Salisbury, Maryland.

NPR's Larry Abramson reports the Navy says the drone was on a test flight out of Patuxtent Naval Air Station, when it crashed in a remote, swampy area. No injuries nor property damage have been reported.

The drone was one of five acquired "by the Navy for surveillance and intelligence use," Larry tells our Newscast unit.

The U.S. Supreme Court has refused to take a second look at how its 2008 decision on the rights of detainees being held at Guantanamo Bay, Cuba, is being carried out.

Facebook has historically restricted access for kids under 13 years old, but that may be changing. Many kids already use the network, with or without their parents' consent, and many parents have raised concerned about privacy, safety and advertising.

The New York Times has a piece today about how Syrian President Bashar Assad and his wife Asma purposefully and with the expensive help of American public relations firms cultivated an image of glamor in the Western world.

Exits are ubiquitous; long or short, grand or modest, we've all left something, from resigning from a long-held position to waving goodbye to a friend after lunch. In Exit: The Endings That Set Us Free, author Sara Lawrence-Lightfoot explores endings through the stories of people in transition.

Too often "we tend to ignore and diminish endings," she writes, while celebrating beginnings. Instead, we should "develop the habit of marking the small goodbyes to help us master the larger farewells."

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NEAL CONAN, HOST:

Good Morning America co-anchor Robin Roberts told the ABC-TV show's viewers today that she's been diagnosed with myelodysplastic syndrome (MDS), "a disease of the blood and bone marrow and was once known as preleukemia."

She also said "doctors tell me I'm going to beat this — and I know it's true."

The defense has rested in the Roger Clemens perjury trial, without Clemens testifying. The last defense witness was the former Yankees security director, Gerald Laveroni, who told the jury the prosecution's star witness cannot be believed.

Laveroni worked for the Yankees from 2000 to 2010 overlapping with the time when Clemens pitched for the Yankees and his chief accuser, Brian Mcnamee, served as a trainer.

Asked how much credibility McNamee had, Laveroni replied, "Zero."