NBC Nightly News with Brian Williams
Strangers raise over $100,000 to cover medical bills for man assaulted by angry mob in DetroitMore: http://nbcnews.to/1fX9u8d l Photo: Utash Family

Strangers raise over $100,000 to cover medical bills for man assaulted by angry mob in Detroit

More: http://nbcnews.to/1fX9u8d l Photo: Utash Family

Startling rise in heroin use in America
More: http://nbcnews.to/1gCPG62

Startling rise in heroin use in America

More: http://nbcnews.to/1gCPG62

Hollywood legend Mickey Rooney dies at age 93
Story: http://nbcnews.to/1elMw6y

Hollywood legend Mickey Rooney dies at age 93

Story: http://nbcnews.to/1elMw6y

Tonight: NBC’s Lester Holt previews the “Dear Boston” exhibit, showcasing items left in tribute at the Marathon bombing site.

Tonight: NBC’s Lester Holt previews the “Dear Boston” exhibit, showcasing items left in tribute at the Marathon bombing site.

Couple seriously injured in the Boston Marathon bombing says ‘I do’Story: http://nbcnews.to/1efKJ39 l Photo: Miranda Leitsinger / NBC News

Couple seriously injured in the Boston Marathon bombing says ‘I do’

Story: http://nbcnews.to/1efKJ39 l Photo: Miranda Leitsinger / NBC News

Two sophisticated drug tunnels found along U.S.-Mexico border in CaliforniaMore: http://nbcnews.to/1efJEbn l Photo: U.S. Immigration and Customs Enforcement

Two sophisticated drug tunnels found along U.S.-Mexico border in California

More: http://nbcnews.to/1efJEbn l Photo: U.S. Immigration and Customs Enforcement

More recovery ahead for the long-term unemployed http://nbcnews.to/1k7ox2X

More recovery ahead for the long-term unemployed 

http://nbcnews.to/1k7ox2X

David Letterman announces he will retire in 2015

David Letterman announces he will retire in 2015