For old time's sake I thought I'd count up the number of interruptions each interviewee suffered on this morning's The Andrew Marr Show.
Here are my totals:
Chuka Umunna - 14
Shami Chakrabarti - 5
Boris Johnson - 91
If you divide the number of interruptions by the length of the interview to get a better sense of the frequency of the interruptions (i.e. work out an interruption coefficient), this works out as follows:
Chuka Umunna - 1.9
Shami Chakrabarti - 0.4
Boris Johnson - 3.3
Which means, if you take it as a measure of the toughness of each interview, Boris got an eight times tougher interview than Shami...which feels about right.