While he plays a good bumbling buffoon, Boris Johnson is, nevertheless, a very clever man. Mind you, I don't think he would have to have been very clever to realise that becoming the next PM in the light of the leave vote and David Cameron's response to it would be lifting a poisoned chalice. It is clearly in his own interests to let someone else, possibly the egregious Gove, struggle through the aftershocks and outcomes of the referendum because whoever has to handle it all will inevitably make decisions that will be massively unpopular among both large sections of the electorate and fellow MPs. Perhaps so unpopular that he (or she) may have to be replaced as Tory leader…