Biomechanical researchers analyzed 100 years of athletes' heights, weights and running and swimming records, and demonstrated how the placement of one's center of gravity affects one's athletic performance. No big deal, right? People got jumpy, however, when the International Journal of Design & Nature and Ecodynamics published the paper: “The Evolution of Speed in Athletics: Why the Fastest Runners are Black and Swimmers are White.”

Following last year's debacle where a pair of Washington D.C. socialites snuck in and hobnobbed with Obama's top brass, the Obama White House was on high alert at last night's state dinner for Mexican president, Felipe Calderon and his wife Margarita Zavala. However, the leaders were still having fun, according to Latoya Peterson, editor of the blog Racialicious.

We take a look at what's ahead this week, with Marcus Mabry, associate national editor of The New York Times, and Latoya Peterson, editor of the blog Racialicious.

We take look at what's ahead this week, with Marcus Mabry of The New York Times and Latoya Peterson editor of the blog, Racialicious. Volcanic ash continues to keep most European flights grounded affecting attendance at everything from the Major Economies Forum on Energy and Climate to the Tribeca Film Festival, both of which take place this week. Meanwhile, Washington is still buzzing about the Iran memo sent by Defense Secretary Robert Gates. And in cultural news, Wanda Sykes' show is up for renewal and Green Days' "American Idiot" opens on Broadway.

We take look at what's ahead this week with Marcus Mabry of The New York Times and Latoya Peterson of the blog Racialicious. This week, President Obama hosts a nuclear security summit while the first lady travels to Mexico. The White House may soon reveal possible nominees to take Justice Stevens' seat on the nation's most honorable bench. And a new dating show hits VH1.

Tyler Perry’s latest film, “Why Did I Get Married Too?”, hits theatres nationwide today. And, as with all of his films, it’s expected to open at number one or number two at the box office and rake in tens of millions of dollars over the coming weeks.

The national step competition in Atlanta, Ga. two weeks ago was packed with mostly African American competitors. The dance form, rooted in African American history, has largely been associated with black colleges and fraternities. But on Feb. 20, a white team from the University of Arkansas did more than just win the competition. They ignited a dialogue about race relations and whether a particular race should be entitled to a certain part of American culture.

Disney’s first movie to feature a black princess, “The Princess and The Frog,” opens this week in select cities, and nationwide on December 11. Jeff Yang, trend forecaster for market research firm Iconoculture and columnist for the San Francisco Chronicle, talks with us about the challenges of marketing a film to both a wide audience and niche segments. And Latoya Peterson, who’s been tracking the black community’s reaction to a princess who spends most of the movie as a frog, relays what she’s been hearing on the ground.

Public outbursts and their consequences seem a lot more common, of late. Last week, Representative Joe Wilson (R-South Carolina) heckled the president during an address to both houses of Congress, and now faces a possible Congressional censure. This week, Serena Williams lost her cool (not to mention $10,500 in fines) when she lashed out at a line judge at the U.S. Open. Kanye West appeared on Jay Leno's show last night to apologize after he broke script at Sunday's MTV Video Music Awards and grabbed the microphone from Taylor Swift to praise Beyonce's video.

For more on public outbursts, we talk to Randy Cohen, who writes "The Ethicist" column in the New York Times Magazine and Latoya Peterson, editor of the online blog Racialicious.

Watch Kanye West on The Jay Leno Show apologizing for his outburst:

Singer Chris Brown plead guilty yesterday to felony assault charges. Prosecutors say he badly beat his ex-girlfriend (pop star Rihanna Fenty) in February. Today on The Takeaway we are exploring the intersection between youth, abuse, race and culture with Elizabeth Mendez Berry, a freelance journalist who wrote an acclaimed article in Vibe magazine, Love Hurts, on partner abuse in the world of Hip-Hop. Also joining the conversation is Latoya Peterson, editor of the blog Racialicious.