The alleged leader of an Irish organised crime gang has been extradited to Ireland from Dubai to face charges that he ran an international drug smuggling and money-laundering empire with tentacles that stretched to Britain, Spain and the United States.Air Tracker data showed an Irish Air Corps plane from Dubai landing on Sunday evening at a military airport on the outskirts of Dublin after courts in the United Arab Emirates refused to block his extradition.The plane is believed to be carrying...