NPR News

By a 10-8, party-line vote with Democrats in favor and Republicans opposed, the Senate Judiciary Committee on Thursday moved legislation that would revive the ban on assault-style weapons that expired in 2004.

The vote, while expected, remains noteworthy because it is among a handful of legislative responses so far to the mass shootings in recent years — most notably the Dec. 14 attack on an elementary school in Newtown, Conn., that left 20 children and six educators dead.

When exactly does someone become elderly?

The death of Ieng Sary, co-founder of the Khmer Rouge that ruled Cambodia from 1975 to 1979 and killed an estimated 1.7 million of that nation's people in the process, has dashed the hopes "among survivors and court prosecutors that he would ever be punished for his alleged war crimes," The Associated Press writes.

Adderall and other ADHD medications are among the most prescribed drugs in America.

Quite a few of those pills don't end up being used to treat ADHD, though. They're used as "smart drugs" or "study drugs" by students who find the pills give them a mental edge.

The American Academy of Neurology now says: Stop that.

"Scientists working with data from a large particle accelerator in Europe are now almost certain they have pinned down the elusive sub-atomic particle known as the Higgs Boson," NPR's Joe Palca tells our Newscast Desk.

Or, as it's also known, the "God Particle" (more on that moniker below).

Joe reports that:

Which way the Republican Party?

In the hope of getting answers to that and other questions, many activists, party big wigs and political journalists have descended on a hotel in a Washington suburb to attend the Conservative Political Action Conference, which started Thursday.

This annual CPAC gathering is the first since President Obama thwarted Republican efforts to retake the White House, a defeat of Mitt Romney that many in the GOP didn't see coming.

Transcript

STEVE INSKEEP, HOST:

Gunmen killed a woman in Pakistan yesterday. The news stories about this were formulaic for Pakistan, she was killed in a customary manner by assassins on motorcycles who rolled away with impunity. What's remarkable is the way she lived. Parveen Rehman came from Karachi, one of the world's largest cities. She helped thousands of poor people obtain basic services.

When I first met her in 2008, she told me she studied to become an architect, but doubted the value of the upscale buildings she learned to design.