By Fiona Leishman Iran could have the resources to make three nuclear weapons, an expert has warned, although they would need six months to a year to do so. The warning comes as Iran launched a drone attack on Israel, claiming to have deployed over 100 drones in retaliation after an Israeli strike on the Iranian consulate in Damascus wiped out seven Revolutionary Guard members. Iran’s state-run IRNA news agency added that Tehran had fired ballistic missiles at targets inside Israel, as well as bomb-carrying drones. David Sanger, a New York Times White House National Security Correspondent issu…