Anger at Vale over Brazil mine accident fed by cautious, slow public response

By Stephen Eisenhammer RIO DE JANEIRO, Dec 31 (Reuters) - Within hours of a deadly mining spill in November that would become Brazil's worst environmental disaster, BHP Chief Executive Andrew Mackenzie was in front of a camera offering his sympathies to those affected. Meanwhile, his counterpart at joint venture partner Vale SA , Murilo Ferreira, took nearly a week after the mine wastewater flood to talk to the press, setting the tone for a media strategy experts say has been slow and cl