Venezuelans are heading to the polls in what is considered one of Latin America’s most important elections in years. After 14 years in power, the polarizing and controversial socialist President Hugo Chávez faces his toughest challenger yet — the center-right candidate Henrique Capriles. When Chávez came to power in 1999 he was the first a wave of left-wing Latin America leaders known as the “Pink Tide” to gain high political office in the region.