CARACAS, VENEZUELA - MARCH 04:  Venezuelan protesters flee while chased by Venezuelan National Guard troops on March 5, 2014 in Caracas, Venezuela. Clashes between protesters and security forces continued up to the first anniversity of Hugo Chavez death, March 4, 2013. The Protesters have challenged Chavez' chosen successor President Nicolas Maduro with three weeks of anti-government protests against his economic policies. (Photo by John Moore/Getty Images)