'Much political mileage has been made in Australia from the turning back of ‘boat people’. Travel by boat is the cheapest means of getting to this island continent, and the most dangerous. Boat travellers are the poorest and the most likely to be caught and deported or sent to an offshore camp. But their number is less than half of those who arrive by air as tourists and apply for refugee protection: some 100,000 have done so during the seven years of this Coalition government.' (Introduction)