https://www.theguardian.com/technology/2017/oct/23/nbn-a-mistake-says-turnbull-blaming-labor-for-calamitous-train-wreck >Prime minister responds to NBN Co chief’s concerns the network may never pay its way, due to competition from 4G network >Malcolm Turnbull has labelled the national broadband network a mistake and blamed Labor for leaving the Coalition a “calamitous train wreck” of a project while responding to concerns from the NBN Co chief executive that it may not pay its own way.