It's that time of year again — the time when the sports world starts to zone in on basketball's March Madness, hockey's playoff push, baseball's spring training ... and monster trucks. That's right, it's prime time for four-wheeled contraptions that specialize in crushing each other.

While it may be hard to get past the deafening radio ads, a funny thing can happen on the way to a Monster Jam show. It turns out that young fans' giddiness over the awesome destruction they're about to witness can be pretty contagious.

Not all that long ago, many Americans thought of Chinese food as fried rice, chow mein and orange chicken. And one reliable place to find it was at the mall, at places like Panda Express.

But food court mainstay Panda Express is now in the midst of a major transformation. That means moving from mall basements to stand-alone restaurants and keeping pace with an increasingly sophisticated American palate.

Wednesday marks the traditional Tibetan New Year, but many Tibetans won't be celebrating. They'll be mourning the almost two-dozen people who set themselves on fire in the past year as a protest against Chinese rule. Eyewitnesses say the town of Aba, site of many of the self-immolations, resembles a Chinese military camp, with soldiers and riot police every few feet. NPR's Louisa Lim traveled elsewhere on the Tibetan plateau to cover the story and sent this dispatch.

President Obama spoke Wednesday at the formal groundbreaking for the Smithsonian's newest museum, the National Museum of African American History and Culture in Washington, D.C. The museum, Obama said, has been "a long time coming" and will serve "not just as a record of tragedy, but as a celebration of life."