A&E waiting times

Published: Jan. 9, 2015, 4:45 p.m.

The NHS in England has missed its four-hour A&E waiting time target with performance dropping to its lowest level for a decade, it's reported. Tim Harford takes a closer look at the numbers. Plus: do 85 people really own half the world's wealth; bad luck and cancer; beware the statistics which are true but unfair; and the dubious fashion for international rankings.