Liz Truss is facing cabinet unrest over her plans for brutal public spending cuts across all departments after the disastrous mini-budget put major pledges at risk, including the pensions triple lock.The prime minister held a 90-minute cabinet meeting on Tuesday in which she warned ministers that “difficult decisions” lay ahead.The chancellor, Jeremy Hunt, told them “everything is on the table” as he strives to find tens of billions of pounds in savings after ditching Truss’s economic plan. Health, education and welfare are among those areas expected to be hit.One Whitehall...