Brazil's former leader Lula survived a corruption conviction and cancer. Now he's vying for the presidency again
by from CNN.com - RSS Channel - App International Edition on (#5YZZX)
Brazil's former President Luiz Inacio Lula da Silva formally announced his pre-candidacy for October's presidential election on Saturday, marking what could be the beginnings of a stunning political comeback for the once imprisoned ex-leader in a crucial election year.