How far should we go to force unemployed people back into work? Tens of thousands of families on benefits have had their payments cut as part of a radical government policy. Out-of-work benefits used to be assessed on need, but now payments in most of the country are capped at £20,000 a year. Panorama follows parents who have lost hundreds of pounds a month and are struggling to keep their homes - knowing that to escape the benefit cap they will have to find a job.