Tory unity will prove shortlived and the Labour leader could execute a relatively painless U-turn on a referendum.
Rather than attacking the Labour leader for opposing a referendum, the Prime Minister claimed he had no position.
Just six per cent of voters regard the EU as one of the most "important issues" facing Britain.
If Miliband matches Cameron's referendum offer, he will look weak. If he doesn't, he will look undemocratic. Which will he choose?
Read the Prime Minister's speech promising to renegotiate Britain's membership of the EU and hold a referendum in 2017.
The questions the PM will face on renegotiation, the referendum and withdrawal.
Any political high from Cameron's EU speech could be shortlived if figures released on Friday show that the UK economy shrunk in the final quarter of 2012.
Speech now scheduled for Monday would coincide with the US president's public swearing-in ceremony.
The shadow foreign secretary says that only Labour can "give voice to the national interest" in an address at Chatham House.
Prime Minister will remain in London tomorrow to chair Cobra meetings, rather than delivering long-delayed speech in the Netherlands on Britain's EU membership.