Venezuela's deposed leader Nicolas Maduro is due in a New York court to face drug charges - as one of Britain’s leading foreign affairs experts warned his seizure by the US threatens to plunge the world into a more “dangerous and disordered” state.The 63-year-old was filmed being escorted in handcuffs by US Drug Enforcement Agency officials from a jail in Brooklyn to Manhattan federal court at where he is expected to appear around 5pm GMT.