Former President George W. Bush (right) and his father, former President George H.W. Bush, wave as they leave a family wedding in Washington, D.C., in May 2006. Normand Blouin-Pool/Getty Images hide caption

itoggle caption Normand Blouin-Pool/Getty Images

Joshua Ferris' To Rise Again at a Decent Hour is on the shortlist for the Man Booker Prize. Ferris and fellow American writer Karen Joy Fowler were named alongside Australian Richard Flanagan and Britons Howard Jacobson, Neel Mukherjee and Ali Smith. Beowulf Sheehan/Courtesy of Little, Brown and Co. hide caption

itoggle caption Beowulf Sheehan/Courtesy of Little, Brown and Co.

Russian soldiers march in Moscow's Red Square during Friday's Victory Day parade, a show of military might amid tensions in Ukraine following Moscow's annexation of Crimea. Kirill Kudryavtsev/AFP/Getty Images hide caption

itoggle caption Kirill Kudryavtsev/AFP/Getty Images

Russia's President Vladimir Putin, right, addressed the media Wednesday along with the head of the Organisation for Security and Cooperation in Europe (OSCE), Swiss President Didier Burkhalter. ALEXEY DRUZHININ/AFP/Getty Images hide caption

itoggle caption ALEXEY DRUZHININ/AFP/Getty Images

Russian President Vladimir Putin as he answered questions on national TV Thursday in Moscow. Alexey Nikolsky/RIO Novosti/Kremlin pool/EPA/Landov hide caption

itoggle caption Alexey Nikolsky/RIO Novosti/Kremlin pool/EPA/Landov

A Russian armored vehicle on the road between Simferopol and Sevastopol in Crimea earlier this month. Russia annexed the region two weeks ago. Other Russian forces, across the border from Ukraine, may pull back in coming days. Viktor Drachev/AFP/Getty Images hide caption

itoggle caption Viktor Drachev/AFP/Getty Images

President Obama, accompanied by Dutch Prime Minister Mark Rutte, speaks during their joint news conference at the conclusion of the Nuclear Security Summit in The Hague on Tuesday. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

Armed men stood atop a chimney near Ukraine's naval headquarters in Sevastopol, Crimea, on Wednesday. They raised Russian flags after taking over much of the facility. Vasily Fedosenko /Reuters /Landov hide caption

itoggle caption Vasily Fedosenko /Reuters /Landov

A masked man, believed to be a Russian soldier, holds a Crimean flag as members of a pro-Russian self-defense unit stand in formation Monday in the regional capital of Simferopol. Vasily Fedosenko /Reuters /Landov hide caption

itoggle caption Vasily Fedosenko /Reuters /Landov