By Sophie Huskisson Rishi Sunak has threatened to snatch cash from families on Universal Credit to pay for tax cuts. The PM hinted that pre-election tax cut giveaways will be made on the back of “difficult decisions to control welfare”. He boasted the Autumn Statement in November delivered “the biggest set of tax cuts in one event since the 1980s” despite millions more being dragged into higher tax brackets. Mr Sunak told The Sunday Telegraph: “When I say that I want to keep cutting taxes, that is what we’re going to deliver. We’re going to do that responsibly. That requires difficult decision…