The typical college student today isn't "typical" anymore: Only 1 in 4 lives on campus and studies full time.

But part-timers and commuter students are much less likely to finish — most part-time students are still without a degree or a certificate after eight years. Higher education is desperately looking for strategies that improve those numbers. There might be one in Tennessee.

In this presidential cycle, as in the last, there is no question which Republican candidate has the most ardent supporters: Ron Paul, the 76-year-old Texas congressman whose brand of libertarianism often puts him at odds with all of his rivals. But with less than seven weeks to go for the nation's first primary, there are signs that Paul could surprise people.

Former Massachusetts Gov. Mitt Romney is sitting pretty in New Hampshire, where he has been the front-runner all year, so whoever comes in second in the Granite State isn't doing too shabbily.

Andrew Robinson was injured by a roadside bomb during his second deployment to Iraq. Now a quadriplegic, he says he is learning how to use his limited mobility and is proud of having protected his fellow soldiers. He is especially motivated because his wife is expecting twins next month.

NASA launched the Mars Science Laboratory from Cape Canaveral, Fla., on Saturday. The MSL is five times heavier than the rovers currently on Mars and has twice as many scientific instruments. It will take nine months for the spacecraft to reach the Red Planet, and there's plenty of things for it to do before then.

Transcript

RACHEL MARTIN, HOST:

With more on this story and the rest of the week's news, we're joined now by Doyle McManus. He's the Washington columnist for the Los Angeles Times, and he has graciously agreed to stand in for our regular news analyst, James Fallows. Doyle, thanks so much for being with us.

DOYLE MCMANUS: Thank you for having me.

Pakistan says 25 of its soldiers were killed in a NATO helicopter attack on a checkpoint at the Afghan border. NATO says it is investigating what happened. Host Rachel Martin talks with NPR's Quil Lawrence about the incident, which has further exacerbated U.S.-Pakistan tensions.

It's hard not to look at some of the pictures of people surging into stores as they opened at the stroke of midnight for Black Friday sales and see some kind of crass, mindless mob.

The crowds in Cairo's Tahir Square clamor for democracy and free speech. Crowds in American shopping malls seem to clamor for Blu-rays, Xboxes and Wii consoles.

There were even a few reported instances of violence Friday among unruly shoppers, hell-bent for bargains.