BORIS Johnson loves a metaphor, particularly an inappropriate one, which is why he took great delight in saying that Theresa May’s Brexit plans have wrapped a suicide vest around the British constitution. But, as Mr Johnson prepares to have a go at seizing the leadership of the Conservative party, could I suggest a few metaphors of my own? . http://www.heraldscotland.com/news/16785377.mark-smith-whos-being-more-conservative-here-boris-johnson-or-us/