Let the buses roll. A week before Iowa caucus-goers start the 2012 Republican presidential nominating contest, Minnesota Rep. Michele Bachmann, Texas Gov. Rick Perry and former House Speaker Newt Gingrich were starting cross-state bus tours on Tuesday (although Gingrich's would be an abbreviated tour, The Des Moines Register reported.)

It's been another warm, rainy day in much of the Northeast, with temperatures in some areas topping 40 degrees. If you hate shoveling snow, or paying big heating bills, that's good news. But for people who love winter sports — and for thousands of businesses that rely on snow for winter tourism — this month's October-like weather has been painful.

Arab League monitors visited the central city of Homs, an opposition stronghold, besieged and under bombardment by the Syrian army until the monitors showed up. Syrian army armor was withdrawn from the city streets ahead of the visit, but activists say they expect a resumption of the army offensive as soon as the monitors leave. They also complain that they have not been allowed to meet with the Arab League team.

Host Robert Siegel speaks with Cassee Cain and Ziyuan Liu, who recently won the team portion of the Siemens Competition in Math, Science and Technology. The high-schoolers from Oak Ridge, Tenn., modified the Kinect device for Microsoft's Xbox 360 in order to analyze human gait. Cain and Liu hope to use the device to diagnose and treat medical problems that affect movement.

Listeners weigh in on a story about more and more hospitals in Massachusetts saying no to early deliveries; and an interview about the biopic My Week with Marilyn. Host Robert Siegel reads listeners' emails.

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North Korea is holding a state funeral today for its late leader Kim Jong Il. The funeral caps days of official mourning since Kim's death of a heart attack on December 17th. The most prominent figure in the proceedings, other than Kim himself, is his third son and heir apparent Kim Jong Un, thought to be in his late-20s. NPR's Anthony Kuhn joins us from Seoul, South Korea, where he's been reporting on these events. And Anthony, what's happening at the funeral?

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From NPR News, this is ALL THINGS CONSIDERED. I'm Robert Siegel.

This year, the federal government gave billions of dollars of stimulus money to medical providers to help speed up their use of electronic health records. The idea is for doctors to coordinate care better so that patients can see their charts online, and to allow clinics to grade their doctors.

Oregon is ahead of the curve. Sixty-five percent of clinicians have electronic medical records, compared to about 45 percent nationwide.

All this week, we're highlighting moments from each of the presidential candidates' stump speeches. Today, we hear from Rick Perry in Muscatine, Iowa.

When the internet kills a big box retailer, Gordon Brothers is the undertaker.

"They're stuck with selling the things that are inside the box," says bankruptcy lawyer Steve Jakubowski.

Gordon Brothers specializes in retail liquidations. When a store dies, they put on a suit, greet the guests and sell them whatever remains. And that means everything — not just books and clothing and DVDs, but shelves, lighting fixtures, even the chairs.

The race for control of the Senate just got even more interesting with word from several news outlets that Sen. Ben Nelson (D-Neb.) won't be seeking re-election in 2012.

The Omaha World-Herald says "it's good news for Republicans, but incredibly bad for Democrats who need the equivalent of a Christmas miracle to keep the seat."