Why David Cameron’s ‘red card’ plan for national parliaments won’t work

David Cameron has committed the UK to renegotiating its membership of the European Union if he wins a majority at the next British general election. As Andrew Duff writes, one of the key elements of this reform package will likely be to elevate the role of national parliaments in the EU’s legislative process. He argues that such a proposal should be rejected on both theoretical and practical grounds, given that the current subsidiarity early warning mechanism is already working well