The Commission warns that the proposed question could lead to misunderstanding as some voters do not know whether the UK is already a member.
It is not sufficient for Conservatives just to focus on reducing green taxes. We need to stop the corporate juggernaut and tax companies' excessive profits.
As Miliband's energy price freeze continues to dominate debate, the party's lead has risen significantly, with a nine-point advantage today.
Cameron's hope is that warnings of a "cost of living crisis" will fade as higher growth translates into higher wages. But Labour remains sceptical.
The Deputy PM's recognition of the success of London Challenge reveals - perhaps unintentionally - the tension between collaborative methods of school improvement and Gove’s market-based reforms.
The new welfare system has been launched in just one new area, Hammersmith, rather than six as planned.
The shadow education secretary says the reinstatement of the Education Maintenance Allowance (EMA) could be funded by removing Winter Fuel Payments from the wealthiest pensioners.
A new study by Ofgem shows that while consumers are paying up to 11.1% more, wholesale prices have risen by just 1.7% in the last year.
Before the start of the trial of his former communications director on Monday, a reminder of the PM's words in 2011.
After renewed speculation that Labour will come out against the project, the PM warns that it "can't go ahead without all-party support".
If this is a recovery, the voters will ask, why aren't we feeling it? Cameron and Osborne need to offer answers.
If they are to remain the largest party after 2015, the Conservatives need the Lib Dems to win back left-leaning voters in Tory-Labour marginals.
Despite the party's by-election success, all the signs still point towards another SNP-controlled parliament in 2016.
The Deputy PM vowed in his conference speech that the Lib Dems "will keep this government green" - and he meant it.
The shadow chancellor never said that there would be no recovery, only that it would be painfully slow. And he was right.
A new poll shows that just 27% of the public support the schools, down from 36% in mid-September.
The Deputy PM suggests that the cost of green policies could be transferred from consumer bills to general taxation.
Polling shows that 75% of the public don't believe that green taxes are to blame for the surge in bills, and they're right.
Labour won no credit when it tried to mimic Osborne's inheritance tax cut in 2007. The Chancellor is determined not to fall into the same trap with Miliband's gambit.
By the end of the Labour leader's assault over energy prices, the PM looked like a beaten boxer waiting desperately for the bell.
What worked in free-thinking opposition soon became unmanageable in government. Voters are looking to Labour for solutions.
The cap is less a serious act of policy than a political weapon designed to trap Labour on the wrong side of the argument and to demonise the unemployed.
The spike in tax receipts was caused by individuals deferring income and bonuses to benefit from the new 45p rate, not a surge in earnings.
By rejecting Miliband's proposed price freeze and calling for an "emergency excess profits tax" on the energy companies, the former PM has pointed the way forward for the Tories.
The party abandoned the practice in 1959 when some voters believed 'Labour' and 'Socialist' were different parties.
The smaller the deficit becomes, the harder it will be for the Conservatives to make it the defining economic issue. Labour can continue to shift the debate to living standards.
Contrary to the media scare stories, the actual cost of "health tourism" is estimated at £70m, just 0.06% of the NHS's annual budget.
The pressures militating against wage growth are strong and will grow even stronger in the future. But public insurance offers a way forward.
A new poll shows that the party, currently the largest on Brighton council, has been pushed into third place behind Labour and the Tories.
The PM's spokesman merely says that the agreement on a new nuclear power station is "a very important announcement".