Since Monday there have been rumours that Boris Johnson will return on the campaign trail to bolster the Tories’ efforts in maintaining control of the Red Wall in the upcoming election. Despite said rumours, the former PM’s spokesperson did not confirm the rumours in a statement on Monday night. The spokesperson said that Boris is currently focusing on “writing and speaking”. They said: “Boris Johnson’s focus at the moment is writing and speaking and he is very productively engaged on that. “His position has been consistently in support of the Conservative Party for his entire political life a…