1. The Big Prize. "The big prize is usually to provoke the PM into appearing evasive by repeatedly failing to answer a simple question, often one that requires a simple Yes or No."
2. Cheer lines. "It's important to have a cheer line that goes down well in the chamber and can be clipped easily by the broadcasters. Mocking humour us especially useful here, especially if it strikes a chord with Tory backbenchers to silence them."
3. Cameron's tactics. "His favourite tactics include: i) Quoting Labour politicians in order to rebut the Leader of the Opposition's argument, e.g. quoting GB when answering on fiscal responsibility; ii) Shoehorning prepared jokes into his answer, irrespective of the question, normally based on a story in the news that week, e.g. Peter Mandelson's book, Harriet's "peace pods" at DCLG; iii) To ask a question to the Leader of the Opposition, particularly in his sixth answer so that the Leader cannot respond."
4. Cameron's weaknesses. "His main weaknesses are: i) Predictability. He sticks very tightly to his overall political messages, particularly on the deficit; ii) Detail.
Unless he is well briefed on a particular issue, he tends to prefer to answer in generalities before mooching onto the attack; iii) Aggression. He moves quickly to practised answer and, sometimes,