Both leaders would have to let down their grassroots if they make it to Downing Street, writes Professor Tim Bale for the Financial Times. He writes: “Having pivoted to the right before this general election, Mr Johnson — a politician of no fixed principles — could don again the do-something, diversity-friendly face he wore as London Mayor after it. The question is whether… the PM’s fans in the Tory grassroots would give him the benefit of the doubt. Such is his star-power hold over them right now, I rather suspect they would. How long that hold can last, though, is the real question.”Find out moreProfessor Bale was also quoted in the following articles:FT - How generational split is shaping UK election pitchesMail Online - Boris Johnson is UP in polls on final weekend before election after 'winning' BBC debate CNN – Boris Johnson is hiding from scrutiny. It might win him the election PA – What difference would compulsory voter ID make in the general election? (PDF available on request)