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Saying the nation has a "deep obligation" to take steps to reduce gun violence, President Obama confirmed Wednesday that he's asked Vice President Biden to head a task force charged with drafting "concrete proposals, no later than January."

And, Obama said, he will push them "without delay."

Many pregnant women and potential adoptive parents are bypassing traditional adoption agencies and connecting online. This trend raises a number of ethical concerns about the regulation of the online process and interactions between birth mothers and hopeful adopters.

In the hours following the Newtown, Conn. shooting, several initial media reports provided false information. For example, the gunman's brother was originally identified as the shooter. NPR's media correspondent David Folkenflik explains how and why the media falsely reported key details.

The tragedy at Sandy Hook Elementary School in Newtown, Conn. prompted new conversations about gun regulation in America. President Barack Obama has vowed to take "meaningful action," but the current political landscape poses challenges for the administration and members of Congress who want stricter gun legislation.

About 20 percent of adults take aspirin regularly, either to ease pain or to reduce the risk of heart disease and stroke.

But taking aspirin might increase the risk of macular degeneration, a leading cause of blindness in old age, according to a study of nearly 5,000 people in Wisconsin.

Nobody wants to go blind. So does this mean it's time to give up on aspirin? Not at all, say ophthalmologists.

In thinking about the last week's tragedy in Newtown, Connecticut, I keep coming upon the word epidemic. While the death of one child is too many, the death of nearly two dozen in one place, of hundreds in the span of a year — especially by violence, is intolerable. Or at least it should be.

The White House is promising to veto a new tax proposal from House Speaker John Boehner. But who's bluffing and what's believable when it comes to fiscal negotiations? And what happens if talks break down? For Tell Me More's 'Why Not?' series, host Michel Martin takes a look at what might be on the other side of the fiscal cliff.

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MICHEL MARTIN, HOST:

I'm Michel Martin and this is TELL ME MORE from NPR News. Coming up, when rap pioneer Run from the group Run-DMC decided to get active in church, he had no idea how far it would go. We'll talk with him about his transition from rapping to preaching. That's later in the program.

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MICHEL MARTIN, HOST:

I'm Michel Martin and this is TELL ME MORE from NPR News. Later in the program I will share a few thoughts in my Can I Just Tell You essay but now it's time for our Wisdom Watch conversation. That's the part of the program where we speak with those whose work has made a difference. Today we are speaking with a hip-hop pioneer.