SAN CRISTOBAL, VENEZUELA - MARCH 08: Women walk past protesters' barricades on March 8, 2014 in San Cristobal, the capital of Tachira state, Venezuela. Shortage of such products as flour, milk and sugar have made life increasingly difficult for residents of Tachira, which has been a focal point for anti-government protests for almost a month. (Photo by John Moore/Getty Images)
KIEV, UKRAINE - FEBRUARY 21: Anti-government protesters man the front line barricades following yesterdays clashes with police in Independence square, on February 21, 2014 in Kiev, Ukraine. Ukraine's president Viktor Yanukovych is thought to have reached a deal with the opposition to end the crisis, after all-night talks in Ukraine mediated by EU foreign ministers. (Photo by Jeff J Mitchell/Getty Images)
KIEV, UKRAINE - FEBRUARY 21: Anti-government protesters man the front line barricades following yesterdays clashes with police in Independence square, on February 21, 2014 in Kiev, Ukraine. Ukraine's president Viktor Yanukovych is thought to have reached a deal with the opposition to end the crisis, after all-night talks in Ukraine mediated by EU foreign ministers. (Photo by Jeff J Mitchell/Getty Images)
HONG KONG - NOVEMBER 24: A woman looks at a barricade setup by pro-democracy activists on a street in Mong Kok District on November 24, 2014 in Hong Kong. The Mong Kok protest site is scheduled for clearance by bailiffs this week after Hong Kong's high court authorized police to arrest protesters who obstruct bailiffs on the three interim restraining orders. (Photo by Chris McGrath/Getty Images)
SAN CRISTOBAL, VENEZUELA - MARCH 09: A young protester manns a barricade before dawn on March 9, 2014 in San Cristobal, the capital of Tachira state, Venezuela. Local residents and students have manned barricades throughout the nights, skirmishing with security forces for almost a month, while protesting against the federal government. Tachira, which borders Colombia, has been a focal point for anti-government protests nationwide. (Photo by John Moore/Getty Images)
