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North Korea has yet to formally name its new leader and it may take a while before it does. But there's a clear favorite. Kim Jong Un was anointed back in 2009 to succeed his father Kim Jong Il, the country's longtime leader, whose death was announced on Monday.

If Kim does follow his father and grandfather as ruler of the secretive nation, he will face huge challenges. He's not yet 30 years old and yet would be running a society that inherently favors leaders seen as experienced and wise, rather than young and untested.

The year 2011, it seems, was a good one for celebrity booze. The famous fellows who launched their own labels this year weren't your run-of-the-mill rappers touting trendy liquors or champagnes, though. (I'm looking at you, Diddy.) Instead, several aging rockers, a professional athlete, and an actor decided the time had come to hawk wine, spirits or beer.

The changing of the guard in North Korea poses clear risks for the United States.

Kim Jong Il's son, Kim Jong Un, looks to be the likely successor. But he's still in his 20s and has had little time to prepare to take over the country. Analysts say that because he's weak, he won't be in any position to get back to nuclear disarmament talks and make concessions.

Kim Jong Un may also be tempted to take provocative actions to establish his leadership credentials, and the Obama administration has to take all this into account as it decides on next steps.

It's here. The cholesterol-fighter Liptor, the biggest hit in the history of the pharmaceutical industry, is now widely available in generic form.

The Pfizer drug finally lost its U.S. patent protection at the end of November, opening the door for cheaper substitutes (atorvastatin, generically) and ending the monopoly for one of the most profitable brand-name products of any kind.

Days after it seemed Congress had struck a budget, tax cut and unemployment deal that would get it through the holidays, it is clear that they did not. House Speaker John Boehner Monday must deal with a restive House GOP caucus that signaled over the weekend that it had no interest in going along with the Senate's two-month plan. NPR congressional correspondent David Welna joins Lynn Neary with the latest.