It could be re-routed in a way to be less provocative and then less lead to an inter-sectarian clash to the bog south and that with the sufficient troops that we could provide, we should ride it through, and that there was no need, therefore, there was no need for internment - that was our consistent advice.
According to Philips, the sensor measures your inter-pupillary distance -- the distance two pupils -- to determine whether you're sitting at an optimal distance from the monitor.