A member of a newly-formed pro-Russian armed group called the Russian Orthodox Army stands guard at a barricade near a destroyed transport vehicle near Donetsk airport May 29, 2014. Pro-Russian separatists shot down a Ukrainian army helicopter on Thursday, killing 14 soldiers including a general, as government forces pressed ahead with an offensive to crush rebellions in the east swiftly following the election of a new president. . Pro-Russian separatists shot down a Ukrainian army helicopter on Thursday, killing 14 soldiers including a general, as government forces pressed ahead with an offensive to crush rebellions in the east swiftly following the election of a new president.
Kasey Torres of San Angelo, Texas exhales after successfully spelling his word during round two of the preliminaries at the Scripps-Howard National Spelling Bee at National Harbor, Maryland May 28, 2014.
Rafael Nadal of Spain stretches out to hit a return to Dominic Thiem of Austria during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris May 29, 2014.
A graduating Harvard University student wears a mortar board that features a book and a feather during Harvard commencement ceremonies, Thursday, May 29, 2014, in Cambridge, Mass.
Eighth grade home-schooled student Jacob Williamson, 15, of Cape Coral, Fla., reacts after correctly spelling the word "harlequinade", during the semifinals of the Scripps National Spelling Bee, Thursday, May 29, 2014, at National Harbor in Oxon Hill, Md.
Nine-year-old Audrey Bruben, of South River, N.J., gets a look from Genny, a 4,000 pound hippopotamus, as Adventure Aquarium opened a hippopotamus exhibit, "Hippo Haven," Thursday, May 29, 2014, in Camden, N.J.
Oregon center fielder Koral Costa dives for and catches a ball hit by Florida State's Tiffani Brown for the out in the third inning of an NCAA Women's College World Series softball tournament game in Oklahoma City, Thursday, May 29, 2014.
Boys chant slogans and hold up their mock weapons made from pipes during a "military-styled" training in the Hama countryside May 28, 2014. A group of boys formed their own unit a month and a half ago and said they have been "training" on a daily basis. Most of the boys in the unit have relatives in the rebel Free Syrian Army.
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