not as a human. reporter: their voices had been heard by representatives from over 70 countries. and united nations secretary-general ban ki-moon. the united states, britain, and france were there for the first time. their collective hope, to prevent the use of atomic weapons in today s radically different world. washington s choice to have u.s. ambassador john roos attend could single a future visit by president obama which would be controversial and unprecedented for a sitting president. vinita, rob? margaret, thanks. wisconsin state fair got off to something of a bizarre start. the fair s overhead gondola ride got stuck because of a mechanical failure. it took firefighters more than an hour to evacuate some of the riders. there were no reports of injuries. in south florida, a 2-year-old girl has died after