Maria Corina Machado, a 57-year-old engineer with rock-star appeal, became the fearless figurehead of Venezuela's opposition after being barred from challenging strongman Nicolas Maduro in elections ...

Venezuela goes to the polls on Sunday, with opposition leader María Corina Machado ... 56-year-old industrial engineer and opposition candidate Machado campaigned on a platform proposing the ...

Machado was released after a brief detention while leaving a protest in Caracas Thursday on the eve of President Nicolas ...