[img]http://d.yimg.com/a/p/rids/20101030/i/r537754841.jpg?x=130&y=83&q=85&sig=yyFvBAQQsdIgNfgdEHA4VQ--[/img]Reuters - Brazilians are expected to elect a woman as president for the first time on Sunday, backing her to emerge from the shadow of President Luiz Inacio Lula da Silva and extend the country's run of prosperity.