Yerevan, Tsitsernakaberd (Armenain Genocide) memorial to the victims of the Armenian genocide

Yerevan, Tsitsernakaberd (Armenain Genocide) memorial to the victims of the Armenian genocide

Yerevan, Tsitsernakaberd (Armenain Genocide) memorial to the victims of the Armenian genocide

Aerial and ground views of destroyed Branch Davidian cult compound after FBI siege. Aerial, ground view of destroyed Waco compound on April 21, 1993 in Waco, Texas (Footage by Getty Images)

Montage, siege at Branch Davidian cult compound and aftermath / ATF agents carrying the wounded, dead body in body bag, interviews. Montage, siege at Branch Davidian cult compound on April 15, 1993 in Waco, Texas (Footage by Getty Images)

Yerevan, Tsitsernakaberd (Armenain Genocide) memorial to the victims of the Armenian genocide

INTERVIEW: Don Cheadle talking about how he first became aware of the genocide in Darfur while filming 'Hotel Rwanda', why he was compelled to help, and taking advantage of his celebrity to do good at the 'Darfur Now' Premiere at the...

Halloween, Spokesman Skeleton with Mask,

INTERVIEW: Academy Award-winning producer Cathy Schulman talking about ways people can take action to help stop the genocide in Darfur, how winning the Oscar for 'Crash' gave her the freedom to produce 'Darfur Now', and Don Cheadle at...

James Holmes trial victims and family members leave the Arapahoe County Courthouse after guilty verdict

Human skulls from Cambodia Killing Fields

Halloween, Field of humans skeletons (Loop)

Mass grave uncovered in Kamenica / POV from bus coach en route to village, along windy road by lake, wreckages of burned houses by roadside / Bosnian Serb soldiers standing on hillside / Group of men digging in ground at site of mass...

Bleeding Skull for Halloween

NRA Executive Vice President Wayne LaPierre outlines organization's response to the Sandy Hook elementary school shooting. Gun control campaigners react to the speech. LaPierre speech highlights and cuts at Willard Hotel on December 21,...

New and Vintage Handguns, Hunting Rifle and Knives at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

Crowd Enters Gun Show with their Weapons at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

Crowd Enters and Exits the Building at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

Crowd Lines Up with their Weapons at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

People Enter the Building at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

Vintage Rifles at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

Concealed Carry Handgun Training and Certification at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

Protester Holds Up Signs to End Lax Gun Laws at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)

Protesters Rally Against Private Gun Sales at The Nation's Gun Show at the Dulles Expo Center on December 28, 2012 in Dulles, Virginia (Footage by Getty Images)