Conservative party has found the institutional capacity and will to save Britain from a comeback by an irresponsible politician like Boris Johnson, writes Simon Tisdall. It also helps to explain why wireless trust who deviated from his positions came to be so toxic so quickly," he says. And finally, there is the reason why Boris Johnson did not win in the end because the towards of a conservative party changed the rules for the leadership contest to require 100 MPs to nominate a candidate.