NEW YORK (Reuters) – New York City’s emergency management office on Wednesday defended its decision to produce a public service announcement advising residents how to survive a nuclear attack after some questioned the advisory’s timing. The goal of the campaign is to inform the public on ways to stay safe if nuclear weapons were pointed in New York’s direction, a department spokesperson told Reuters. “There is no direct threat to the city but we felt it was important that we addressed this topic,” said Allison Pennisi, head of public information for NYC Emergency Management. Released online ht…