Cameron shouldn’t be angry tonight. But he does need to bracket Brown and Clegg together at every opportunity. When three people are debating, the person who does the best job of bracketing the other two together wins — and that’s what Clegg did brilliantly with his attacks on the ‘two old parties’ last week. This time, Cameron needs to make sure that the public see Brown and Clegg as top down, Whitehall and Brussels-knows-best politicians, and him as the alternative to that.
On the various Clegg stories, the big question seems to be whether Clegg has in any way fallen foul of the rule on National Insurance contributions on the staff member he was paying. The rules on this are complicated — if the staff member was freelance, it is not the employer’s responsibility to make sure NICs are paid — and we won’t know if there has been any breach until the Lib Dems release the full paperwork.