Boris Johnson, Ed Miliband and William Hague interviews
Some politicians take part in an interview and have a key phrase they are keen to use again and again rather than answering the question they were asked.
The interviewer can either give up or keep asking, with both options attracting complaints from viewers. Blogger Iain Dale claimed he was losing interest in politics, citing cynical journalism and politicians not giving a straight answer to a straight question.
Here is a reminder of TV interviews with Boris Johnson, Danny Alexander, Chris Leslie, Ed Miliband and William Hague.