What the Department for Transport appears to have got chronically wrong in the case of the West Coast Main Line franchise is its assessment of the risk that attaches to projections by bidders of revenues in the latter years of the 15-year franchise.

BBC: What derailed the Transport Department

One will examine how the West Coast franchise competition went wrong, and what lessons could be learned.

BBC: UK

And when something goes wrong, as it did on Triumph, there are limits to how much the Coast Guard can investigate.

NPR: No Central Agency Oversees, Inspects Cruise Ships