Clegg's party has lost more than 500,000 voters to Farage since 2010.
The parliamentary alliance between the the centre-right and the centre-left means the increase in the number of eurosceptic MEPs will have a largely symbolic effect.
We need to boost Europe’s competitiveness, avoid a race to the bottom on skills and wages and ensure EU migrants contribute to our economy and our society.
The very fact that the Labour leader feels secure enough to affront Eurosceptics suggests he believes No.10 is within reach.
Guaranteeing an in/out vote would have shifted the debate back onto Tory territory and could have wrecked a future Miliband premiership.
Beyond the bluster and rhetoric, there is a surprising degree of consensus on the reforms needed.
It will become harder for the PM to insist he can succeed when the europhile and the europhobe both declare he will fail.
Miliband doesn't want to make a pledge that raises more questions than it answers.
The Prime Minister can see the strategic as well as the economic logic that keeps Britain in Europe.
After withdrawing from the centre-right European People's Party grouping, Cameron has no right to tell his MEPs not to flirt with the anti-Euro Alternative für Deutschland.