Luisa Ortega: Venezuelan prosecutor defying president

Her enemies have branded her insane, but those close to Venezuela's Attorney General Luisa Ortega say her defiance of the government over the country's deadly political crisis is pure courage.A longtime sympathizer of the socialist movement that brought President Nicolas Maduro to power, Ortega, 59, says her relatives have received threats in recent weeks since she has emerged as the biggest challenge to his authority.In return, Maduro's allies have set the machinery of the state judiciary in mo