President Obama shakes hands with President Lee Myung-bak of South Korea during talks in Seoul on Thursday. Beneath the friendly photo-op, failure to conclude a free-trade pact between the two countries portends trouble for the G-20 summit. Jung Yeon-je /AP/Pool hide caption

A homeowner fills out a form to request mortgage information at a Fannie Mae Mortgage Help Center in Culver City, Calif. Politicians and economists are debating the merits of a grand plan to offer many homeowners the opportunity to refinance. Damian Dovarganes/AP hide caption

Big Or Small, It's The Same Physics: A lion drinks by touching its tongue to the water surface and then drawing it up rapidly. That forms a small column of water in the air the cat can catch in its mouth. The bigger the cat, the slower the lapping. Timm Schamberger/AFP/Getty Images hide caption

More than 330 titles are spread across 13 discs for Next Stop Is Vietnam, an ambitious anthology of music inspired by the Vietnam War. Courtesy of Bear Family hide caption

Security at airports like Duesseldorf International Airport in Germany was stepped up after the foiled cargo bomb plot was revealed. U.S. intelligence officials say the plot reveals that al-Qaida's central leadership is cooperating more with the group's affiliates. Frank Augstein/AP hide caption

Sgt. Major Yolanda Mayo is a Marine reservist who has done three tours of duty in Iraq as a public affairs officer. Even though it was a constant juggling act, she says, she's proud of her service. "You can kind of have it all -- you can be a mom, you can be a wife, and you can be a Marine, a soldier, an airman, whatever you choose," she says. Chris Bickford for NPR hide caption

Kanye West (right) speaks with Today host Matt Lauer. www.msnbc.msn.com hide caption

The Complete Mother's Best Recordings compiles Hank Williams' radio performances from 1951, including all the in-between banter and antiquated advertisements. Colin Escott hide caption