Samantha Power, President Obama's nominee to be ambassador to the UN, is no shrinking violet. She's made her fair share of controversial statements, and they'll likely come up in confirmation hearings.
It's possible that the National Security Agency's collection of Verizon records is related to a cybersecurity probe. Or, it could be related to the Boston Marathon bombing investigation.
On February 26, 2012, neighborhood watch captain George Zimmerman shot unarmed teenager Trayvon Martin in a gated neighborhood of Sanford, Fla. The incident sparked a national outcry and triggered an examination of the role race, guns, and drugs play in America today. How well do you know the Trayvon Martin case?
The Philadelphia building collapse that killed six and injured 14 happened as the building was being demolished. Eyewitness accounts offer clues into what might have gone wrong.