It is clear Venezuelans have chosen to oust President Maduro. Whether that will happen remains in question.

© Adriana Loureiro Fernandez for The New York Times

Ms. Machado built one of Venezuela’s most important political movements, and lives in hiding from President Nicolás Maduro’s authoritarian government.

© Adriana Loureiro Fernandez for The New York Times

Spurned by the country’s authoritarian president and even her own colleagues in the opposition, María Corina Machado has built the most significant voter mobilization since Hugo Chávez.