As London scrambles to put on its best face in time to host the Olympic Games, so do the city’s two most recognisable politicians. On 12 May the affable incumbent, Boris Johnson, and his veteran rival Ken Livingstone will battle it out for the position of mayor of London.
Johnson and Livingstone’s campaigns will be defined by one issue: transport. Since his ascent to power in 2008 Johnson’s most striking legacy has been the cycle hire scheme that he launched in July 2010. It’s been very popular: in the first 18 months the…