Melissa Block speaks with our regular political commentators, E.J. Dionne, of the Washington Post and Brookings Institution, and David Brooks, of the New York Times. They discuss the jobs numbers, Obama's recess appointments and presidential campaign developments.

The December jobs report came in stronger than expected, with employers adding 200,000 new jobs to payrolls. The unemployment rate fell to 8.5 percent.

Hairy-chested yeti crabs, seven-armed sea stars, white octopuses — all these creatures were seen for the first time by researchers in the Antarctic. Robert Siegel talks to biologist Alex Rodgers of the University of Oxford, who led the expedition.

If you Google Rick Santorum, one of the top returns is a scatological sexual reference. It was created back in 2003, when writer Dan Savage asked his readers to make up something disgusting and sexual to link to Santorum. It was a response to Santorum's rhetoric against gay marriage.

The NFL kicks off an exciting weekend of games Saturday when it starts its playoffs. Meanwhile, there's big news in the sport that most of the rest of the world calls football. Fox television is making a major play to air more soccer games in this country, including an English Premier League game before the Super Bowl. Sportswriter Stefan Fatsis talks with Robert Siegel about the news in both kinds of football.

The Justice Department is redefining the criminal definition of "rape" for the first time since the 1920s. It will now include same-sex assaults and a definition beyond actual intercourse. This will change the way local police departments report crime statistics.

Four years ago, Melissa Block traveled several times to Milford, N.H., to talk with voters. Friday, she talks to two of the people she met there: Noreen O'Connell and Steve O'Keefe. They discuss the current GOP presidential field.

One of the last remaining Navajo Code Talkers from World War II has died. Keith Little, who transmitted codes in important Pacific battles such as Iwo Jima and Saipan, died Tuesday at 87. He led the Navajo Code Talkers Association in recent years and fought to get recognition for the Code Talkers, who were ordered to keep their contribution to the war effort secret for decades after the war ended.

In the new landscape of political advertising, there are ads paid for by candidates and ads paid for by super PACS. Under the law, there is not supposed to be any coordination between the two. But how is lack of coordination playing out in the real world of presidential campaigns?

Former Pennsylvania Sen. Rick Santorum nearly won the Iowa caucuses on the strength of his retail campaigning across all of the state's counties — and his connection with Christian conservative voters. Now he's in New Hampshire, with just days to go before the first-in-the-nation primary. Santorum is trying to connect with independent-minded voters in a very secular state.