President Obama speaks with other G-8 leaders at Camp David in Maryland during the summit on Friday. Getty Images hide caption

It's a constant test for parents: Everything you thought you were doing right may be wrong. iStockphoto.com hide caption

Book cover detail: Bunch of Amateurs hide caption

Arn Chorn-Pond is a human rights activist working on Cambodian reconciliation efforts and the preservation of traditional Khmer music. He is the subject of Jocelyn Glatzer's 2003 documentary, The Flute Player; the opera Where Elephants Weep; and the children's book, A Song for Cambodia by Michelle Lord. Jocelyn Glatzer hide caption

After years of bitter controversy, the Barnes Foundation opens the doors of its new location in downtown Philadelphia on Saturday. Since 1922, the collection has been housed in the Philadelphia suburbs, where critics say the collection's owner would have wanted it to stay. Tom Crane/The Barnes Foundation Philadelphia hide caption

PayPal co-founder Peter Thiel, who has donated more than $2.5 million to a superPAC backing GOP presidential candidate Ron Paul, speaks at the National Press Club in Washington, D.C., in October. Chip Somodevilla/Getty Images hide caption

A woman holds a photo of Guldunya Toren, an unmarried mother allegedly killed by her brothers for having a child out of wedlock, outside parliament in Ankara, Turkey, in 2004. Her case prompted huge protests and forced Turks to realize that the justice system often fails to protect at-risk women. Burhan Ozbilici/AP hide caption

Idina Menzel, the Tony Award-winning actress and singer, is known for her roles in Rent and Wicked. Robin Wong/Courtesy of the artist hide caption