Poll shows Brazil's Rousseff would win presidential runoff

SAO PAULO (Reuters) - Brazil President Dilma Rousseff would win a second-round runoff against either opponent and has 38 percent of voter support ahead of her October re-election bid, a new poll by the IBOPE polling institute showed on Tuesday.

    Her main challenger, Aecio Neves, has the backing of 22 percent of potential voters while Eduardo Campos has 8 percent, according to the survey broadcast on TV Globo.