It's about the £350m on the side of the Referendum bus and he is accused of misconduct in public office.
Hang on, don't they all do it all of the time, in manifestos, in interviews, on Question Time etc? Whenever they do not answer a straight question truthfully, or are 'economical' with the truth, then they are also guilty of misconduct. There would not be enough courts, court time or judges to deal with the cases.