THE debate about whether the triple lock on pensions can be afforded has once again stirred.Prime Minister Andy Burnham has put forward a new double lock, retaining the link of the rise in state pension to the greatest of price increases and 2.5 per cent. The link to earnings will be dropped. This is intended to provide some of the funding needed for a new free social care service.Not the worst suggestion maybe, but many ask why come for the pensioners’ money, when there are hugely wealthy people and companies who could pay more tax.