Nick Clegg and Nigel Farage are pursuing the same electoral strategy

What is the reasoning behind Nigel Farage’s recent spate of apparent gaffes? Following his breastfeeding comments last week, the Ukip leader blamed his lateness to an event in Wales on open-door immigration, as well as problems navigating the motorway:

‘It took me six hours and 15 minutes to get here – it should have taken three-and-a-half to four. That is nothing to do with professionalism, what it does have to do with is a country in which the population that is going through the roof chiefly because of open-door immigration and the fact that the M4 is not as navigable as it used to be.’