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Even after a spectacular night of political drama, what Republicans are looking for in a presidential candidate remains unclear. Entrance polls reveal that Iowa voters were split on whether they want electability or principles.

The Kaesong Industrial Complex is a joint North Korea and South Korea experiment. Every day hundreds of workers from South Korea go to work in North Korea, and thousands of workers from North Korea go to jobs in South Korean factories at the complex. The atmosphere was heavy after North Korean leader Kim Jong Il died.

Like former Arkansas Gov. Mike Huckabee in 2008, Rick Santorum pulled off a late surge in Iowa with an appeal to social conservatives. Huckabee came in third in New Hampshire, then faded. Can Santorum avoid the same fate?

ANALYSIS: The caucuses are largely an excuse for candidates to try to charm voters for the cameras, and for journalists to harass candidates, voters and the journalists' own audiences.

The poll looked at the effects of Iowa and found Mitt Romney maintaining a commanding lead.

Listen to a special podcast from NPR News on the first presidential contest of the year — and where the race goes from here.

People on low-protein diets pack on more fat compared to people who eat normal amounts of protein, a new study concludes. This is bad for health, even if the low-protein folks don't put on as many pounds. Eating more protein may make it easier to keep weight off.

Experts say the plans for talks are a positive step toward a future peace in Afghanistan.

The field of GOP challengers narrowed a day after the caucuses as Minnesota Rep. Michele Bachmann said she is ending her 2012 presidential bid. Meanwhile, Texas Gov. Rick Perry went home to regroup after his poor showing in the Hawkeye State.

November also saw a decline in capital goods, which is not a good sign for business investment.