David Frum : What happens after the mourning is over ? I think that we are going to see a lot of people who have been in this country for generations and they will be very upset about what has happened. It would be better if campaign were modeled on MADD , with victims ' families leading , he says .
David Frum : What happens after the mourning is over ? He says a presidential-led effort on gun safety will likely fail for political reasons . It would be better if campaign were modeled on MADD , with victims ' families leading , he says .