Description:Smiles for the cameras in Brussels - but few were expecting them to last for long. EU leaders are holding crunch talks on their budget from 2014-2020. Agreeing a spending plan is always tough - but this time, the divisions seem deeper. Over a third of the 27 member states have threatened to use their veto if the talks don't go to plan. And British Prime Minister David Cameron is taking a particularly tough stance.(2:03)