For the Prime Minister to insist that "we would require the agreement of our coalition partners" could be seen as placing politics above principle - an advertisement for self-imposed weakness. The opportunity for David Cameron is visibly to put the country before the coalition. The Prime Minister should offer them an ultimatum.
The question of our EU membership is so much more important than any on voting systems that we cannot allow this to happen again. Whether we are in or out, our relationship with Europe will have a profound impact upon the future of our economy, defence policy, foreign policy and social and employment law.