Few falls from political grace have been as abrupt and as vertiginous as that of Boris Johnson, ousted from 10 Downing Street little more than three years after his arrival.
Elected on a wave of enthusiasm from both Conservative party members and MPs, Johnson initially seemed an unstoppable phenomenon – one of those rare politicians not only instantly recognisable to the public but also liked by large swathes of them, sparking enthusiasm among constituencies formerly unattainable to the Tories.
