"Where now?" I ask John Baron MP after the vote. "How much longer will you bang on about an EU referendum?"
He replies that he will keep going until there is legislation for an EU referendum.
Cameron has pledged to back a Conservative MP's EU referendum bill, as Cable labelled the move potentially 'damaging' for the country.
114 Conservative backbenchers have voted in favour of a eurosceptic motion to amend the Queen's Speech in defiance of the Prime Minister.
David Cameron has denied he has buckled under pressure from his backbench MPs over the EU debate.