En Pittsburgh tenemos que hacer varias cosas que no podemos hacer solos; tenemos que establecer mecanismos de alerta temprana que funcionen, porque los que teníamos no han funcionado; tenemos que revisar el marco regulador, porque el marco regulador no ha funcionado.
In Pittsburgh we must do several things that we cannot do alone: we have to set up early warning mechanisms that work, because those that we had did not work; we have to revise the regulatory framework, because the existing framework has not worked.