DES MOINES.....a Grinnell College student, Muriel Gallo-Chasanoff, said a Clinton aide told her to ask Hillary a scripted question about global warming at a bio-diesel plant event.... "They were canned," according to The Scarlet & Black student newspaper. Before the event, Clinton's staff member got Gallo-Chasanoff to ask the after Clinton's speech. "One of the senior staffers told me what [to ask]," she said. When Gallo-Chasanoff asked about global-warming, Clinton replied that young people often ask her that question.