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For today's Sandwich Monday, we eat our way through a hot dog cookoff, and so far, we have lived to tell about it.

U.S. men competed in bobsledding on Monday, pinning their hopes on Steve Holcomb, who has medaled before. Holcomb entered competition as the top bobsled racer in the world this year, and he and Steven Langton won a bronze medal in the two-man bobsled event. They weren't the only points of interest on the track this year: A Russian team won gold, and the Jamaican team attracted plenty of attention, as well.

Boston physician Vivek Murthy, an outspoken supporter of the Affordable Care Act, told a Senate panel that as surgeon general he'll focus on obesity, smoking cessation and vaccinating kids.

The resourceful singer is unafraid to bring opera — and his high-flying top notes — to unlikely places, from sixth-grade classrooms to the offices of NPR.

The president announced he is removing preferential trade status for India because he says that country does not provide the U.S. with reasonable access to its own markets.

In its trek back to the Women's World Cup in June, the defending champion U.S. Women's National Soccer Team is playing this weekend in a 'friendly' game against number four England.

Arkansas State Chamber of Commerce/Associated Industries of Arkansas President and CEO Randy Zook says the business community’s reaction to a Biden…

The iconic 26.2-mile trek through all five of the city's boroughs returned in person on Sunday after it was cancelled last year due to the pandemic.

NPR's David Kestenbaum reports on a possible wrinkle in the space-time continuum. Really. Physicists measuring the fundamental characteristics of a subatomic particle, the muon, have come up with some very puzzling results that could punch a hole in the long-standing "standard model" of how matter is put together. And that could help usher in a completely new theory of matter, time and space. Unless, of course, some scientist has made a mistake. (4:30) (It was later revealed this was a mistake: "Well, I would say I'm responsible for the mistake. My collaborator did most of the work, but I am equally guilty of making mistakes." Toichiro Kinoshita, a physicist at Princeton University. Kinoshita's sin was to have a minus sign where he should have had a plus or maybe the other way around. He can't quite remember, though it ended up having gigantic consequences. Kinoshita and his colleague were calculating how a particular subatomic particle behaves when it's stuck in a magnetic field. The particle, it turns out, wobbles like a toy top at a particular frequency. Kinoshita enlisted hundreds of computers and, after a decade of heroic work, had precisely predicted how fast it should wobble according to the laws of physics. Last winter, other physicists who were out measuring the wobble found it differed significantly from Kinoshita's prediction. In the clockwork world of physics, this was potentially a huge finding, signaling something new and mysterious, except that it wasn't. Kinoshita traced his error to a tiny quirk in a computer program he was using. He hadn't checked that bit, in part because other physicists using a different approach had gotten the same answer."

The threat of Russia invading Ukraine is real, the Biden administration insists. At the same time, top officials say they hope that being vocal about the intelligence they have could deter action.