Is it futile to try and resist Brexit? Hardtalk's Sarah Montague speaks to one of the big beasts of British politics. Known as the Father of the House because he is the longest serving member of the UK’s House of Commons, he has also held more cabinet posts than any other living British politician. And yet Ken Clarke says we are now in "the maddest situation" of his lifetime and talks of the political system being "broken". It's one of the reasons he couldn't quite bring himself to retire at the last election, staying on to fight against Brexit and for the Conservative Party. Is it a fight he can win?Image: Ken Clarke, Credit: Getty Images