There is a lot of talk about restricting pensioners' "perks" – bus passes, winter fuel allowance, free TV licence for the over 75s, free prescriptions – to the poorest. There is also talk about graduating the "perks", so those who are not on the bread line can still have some benefits. It has been suggested, for example, that the slightly better off should pay something towards their bus passes. This is all talk so far and, while I would rarely trust anything a politician says, David Cameron did say that these benefits were safe for this Parliament and I think he is bright enough to know that our generation usually votes and that we would be jolly cross if he went back on his word about this. As usual, the politicians keep burbling on about how absurd it is that billionaires can have free bus travel. As if…