David Cameron says UK should 'ask for change on Europe'

http://www.bbc.co.uk/news/uk-politics-20926563

Speaking on the BBC's Andrew Marr Show, he said voters would be offered "real choice" on this at the next election.
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"People should be in no doubt that the Conservatives will be offering at the next election a real choice and a real way of giving consent to that choice," he said.
"What's happening in Europe right now is massive change being driven by the existence of the euro.
The countries of the euro, they've got to change to make their currency work - the need to integrate more, they need to make changes to all their systems more."