Martin Kaste Martin Kaste is a correspondent on NPR's National desk.
Venezuela General Strike Could Hurt Oil Exports
Unrest Mounts in Venezuela
War on Terror May Spread to South America
Venezuelan Opposition Group Sets National Strike
'Workers Party' Fashion Sweeps Brazil
Venezuela's Chavez at War with News Agencies
Development in the Amazon
Brazil's New President Vows to Fight Hunger
Lula, Brazil's Leftist Candidate, Wins Presidency
Venezuelan Oil Easing Tensions with U.S.
Populist's Win Leads to Election Runoff in Brazil