One candidate is Rodrigo Paz, a conservative centrist senator and son of a neoliberal ex-president who is pitching himself as a moderate reformer.

STORY: Early official results in Bolivia show the country's ruling leftists on track for their worst defeat in a generation.Instead the electoral tribunal says centrist senator Rodrigo Paz of the Christian Democratic Party is leading the election late Sunday.

Now, on October 19, Bolivians will hold presidential runoff for the first time—an option only introduced in the 2009 Constitution. As voters prepare to pick their next president, AS/COA online looks at dark horse candidate Paz, the collapse of MAS, and the composition of the next national legislature.

Bolivia heads into an Oct. 19 runoff between centrist Rodrigo Paz Pereira and right-wing ex-president Jorge “Tuto” Quiroga after nearly 20 years of socialist rule.

Senator Rodrigo Paz, the surprise top finisher in Bolivia's first-round presidential election, spent years traveling the country, posting hundreds of social media videos and honing his image like a fu

Early exit polls in Bolivia's presidential election on Sunday showed Centrist Senator Rodrigo Paz of the Christian Democratic Party leading, with the ruling Movement for Socialism party on track to suffer its worst electoral defeat in a generation.

A well-known figure in Bolivian politics, Jorge "Tuto" Quiroga, 65, is a conservative candidate representing the Alianza Libre coalition. He briefly served as president from 2001 to 2002 and has worked as an IMF consultant and a mining executive.