Handsome Dan, Yale University's bulldog mascot, stands near future graduates during commencement at Yale University in New Haven, Conn., on Monday. Jessica Hill/AP
British soccer player David Beckham, dressed in protective clothing, is seen running from an attack dog at the Theater Working Dog Unit during a visit to Camp Bastion in Helmand Province, Afghanistan, on Sunday. Corporal Barry Lloyd/RLC/MOD/Crown Copyright/Retuers
Alex Hajnal, runs through the fountain at the train depot in Hattiesburg Miss., to beat the heat on Monday with other kids during a play date. Ryan Moore/Hattiesburg American/AP
A traditional fire-show is held in Minsk, Belarus, on Sunday. Here, a woman performs with sparklers. Sergei Grits/AP
People watch an employee water the court during the French Open tennis tournament at Roland Garros stadium in Paris on Monday. Benoit Tessier/Reuters
As they have for 70 years, students at the US Naval Academy scale the 21-foot Herndon Monument to celebrate the end of their grueling first year on Monday in Annapolis, Md. The Herndon obelisk was not greased with lard as in the past. The Climb to the top to place an officer's hat on the tip of the obelisk, after removing a first-year student's hat, took two minutes and five seconds by 3rd Company's Keegan Albi from Eugene, Ore. Carolyn Kaster/AP
Snow falls on a tulip during a late springsnow storm in Park City, Utah, on Monday. The storm arrived late Sunday night and produced huge, heavy snow flakes. Much of the snow on the valley roads either didn't stick or quickly melted away. Kristin Murphy/Deseret News/AP
England's Ledley King (r.) tackles Mexico's Guillermo Franco during their international friendly soccer match at Wembley stadium in London on Monday. Both England and Mexico have qualified for the 2010 World Cup in South Africa, and are playing a series of friendly matches in preparation for the competition. Tom Hevezi/AP
Ferdinand Wimmer enjoys the fresh water at the Lofer open air pool, in the Austrian province of Salzburg, on Monday. Kerstin Joensson/AP
Bakhti Mohammad (l.) a released prisoner is hugged by a relative during a releasing ceremony in Khost Province of Afghanistan, on Monday. Mohammad was jailed at the-US run detention center of Parwan for four months. Seven prisoners were released during the ceremony. Musadeq Sadeq/AP
Colombian soldiers rest before attending a welcome ceremony for Honduras' President Porfirio Lobo at the Presidential Palace in Bogota, Colombia, on Monday. Fernando Vergara/AP
North Korean defectors tear a picture of North Korean leader Kim Jong Il during a press conference against the North in Seoul. South Korea's president said Monday that the country will no longer tolerate North Korea's 'brutality' and said the regime would pay for the surprise torpedo attack that killed 46 sailors. Lee Jin-man/AP
Sophisticated and lethal, growing in number, Islamic State and other extremist groups won't become a global force. Here's why.
BySeth G. Jones, Contributor
Raqqa Media Center of the Islamic State Group/AP
Mullah Abdul Rauf Khadim looked like any ubiquitous insurgent commander in southern Afghanistan. He had a sunbaked complexion, serried black beard, charcoal eyes, and the usual accessory – an AK-47 slung over his shoulder.