Brace yourself for more pension woe

Peter Dejong/AP/Press Association Images

There's yet more bad news for those who have been putting money aside for their retirement. They are going to have to do the maths all over again - and they're not going to like the new answer they'll get.

According to the FSA, they are going to have to assume their investments will grow more slowly than they are expecting. But just what difference will this make, and why do they have to do it?