Conservative leader defends plan to extend free childcare to high earners, as Tory conference begins in Birmingham todayOn Friday the Times revealed that Katie Lam, the communities secretary, told a meeting in private earlier this year that the state pension system needs a fundamental overhaul.Speaking in June, when she was a frontbencher but not yet in the shadow cabinet, Lam was asked at a meeting with activists if she thought the pensions triple lock was sustainable. She replied:Ultimately I