The European Union has been going through a difficult period over the last few years, and this has given heart to the numerous politicians and voters in England who think that the United Kingdom should redefine its relationship with the EU or simply leave altogether. Several newspapers in the UK are more or less clearly working towards that outcome, and several politicians would certainly be happier in something that more resembled a free trade area. Being critical towards the EU also gets very good poll ratings.
This movement has culminated in the December European Council where David Cameron, on behalf of the UK, vetoed the idea of using the existing treaties to strengthen fiscal co-operation, leading to the 17 Eurozone members, plus the other Member States [Depending on support from their parliaments. ] , agreeing to conclude a separate treaty. Many politicians and journalists in both the UK and other European countries have concluded that this is the beginning of the end for the UK in the EU, although that may be a little hasty, as we will see.
The discussion around the EU is an important debate to have in a democracy